19903860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:119

約数の個数: 192

約数和(自身を含む): 67737600

約数和(自身を除く): 47833740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 31, 36, 41, 45, 54, 58, 60, 62, 82, 87, 90, 93, 108, 116, 123, 124, 135, 145, 155, 164, 174, 180, 186, 205, 246, 261, 270, 279, 290, 310, 348, 369, 372, 410, 435, 465, 492, 522, 540, 558, 580, 615, 620, 738, 783, 820, 837, 870, 899, 930, 1044, 1107, 1116, 1189, 1230, 1271, 1305, 1395, 1476, 1566, 1674, 1740, 1798, 1845, 1860, 2214, 2378, 2460, 2542, 2610, 2697, 2790, 3132, 3348, 3567, 3596, 3690, 3813, 3915, 4185, 4428, 4495, 4756, 5084, 5220, 5394, 5535, 5580, 5945, 6355, 7134, 7380, 7626, 7830, 8091, 8370, 8990, 10701, 10788, 11070, 11439, 11890, 12710, 13485, 14268, 15252, 15660, 16182, 16740, 17835, 17980, 19065, 21402, 22140, 22878, 23780, 24273, 25420, 26970, 32103, 32364, 34317, 35670, 36859, 38130, 40455, 42804, 45756, 48546, 53505, 53940, 57195, 64206, 68634, 71340, 73718, 76260, 80910, 97092, 107010, 110577, 114390, 121365, 128412, 137268, 147436, 160515, 161820, 171585, 184295, 214020, 221154, 228780, 242730, 321030, 331731, 343170, 368590, 442308, 485460, 552885, 642060, 663462, 686340, 737180, 995193, 1105770, 1326924, 1658655, 1990386, 2211540, 3317310, 3980772, 4975965, 6634620, 9951930, 19903860]

約数ペア:

[(1, 19903860), (2, 9951930), (3, 6634620), (4, 4975965), (5, 3980772), (6, 3317310), (9, 2211540), (10, 1990386), (12, 1658655), (15, 1326924), (18, 1105770), (20, 995193), (27, 737180), (29, 686340), (30, 663462), (31, 642060), (36, 552885), (41, 485460), (45, 442308), (54, 368590), (58, 343170), (60, 331731), (62, 321030), (82, 242730), (87, 228780), (90, 221154), (93, 214020), (108, 184295), (116, 171585), (123, 161820), (124, 160515), (135, 147436), (145, 137268), (155, 128412), (164, 121365), (174, 114390), (180, 110577), (186, 107010), (205, 97092), (246, 80910), (261, 76260), (270, 73718), (279, 71340), (290, 68634), (310, 64206), (348, 57195), (369, 53940), (372, 53505), (410, 48546), (435, 45756), (465, 42804), (492, 40455), (522, 38130), (540, 36859), (558, 35670), (580, 34317), (615, 32364), (620, 32103), (738, 26970), (783, 25420), (820, 24273), (837, 23780), (870, 22878), (899, 22140), (930, 21402), (1044, 19065), (1107, 17980), (1116, 17835), (1189, 16740), (1230, 16182), (1271, 15660), (1305, 15252), (1395, 14268), (1476, 13485), (1566, 12710), (1674, 11890), (1740, 11439), (1798, 11070), (1845, 10788), (1860, 10701), (2214, 8990), (2378, 8370), (2460, 8091), (2542, 7830), (2610, 7626), (2697, 7380), (2790, 7134), (3132, 6355), (3348, 5945), (3567, 5580), (3596, 5535), (3690, 5394), (3813, 5220), (3915, 5084), (4185, 4756), (4428, 4495)]