19488870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 57024000

約数和(自身を除く): 37535130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 29, 30, 38, 45, 54, 57, 58, 87, 90, 95, 114, 131, 135, 145, 171, 174, 190, 261, 262, 270, 285, 290, 342, 393, 435, 513, 522, 551, 570, 655, 783, 786, 855, 870, 1026, 1102, 1179, 1305, 1310, 1566, 1653, 1710, 1965, 2358, 2489, 2565, 2610, 2755, 3306, 3537, 3799, 3915, 3930, 4959, 4978, 5130, 5510, 5895, 7074, 7467, 7598, 7830, 8265, 9918, 11397, 11790, 12445, 14877, 14934, 16530, 17685, 18995, 22401, 22794, 24795, 24890, 29754, 34191, 35370, 37335, 37990, 44802, 49590, 56985, 67203, 68382, 72181, 74385, 74670, 102573, 112005, 113970, 134406, 144362, 148770, 170955, 205146, 216543, 224010, 336015, 341910, 360905, 433086, 512865, 649629, 672030, 721810, 1025730, 1082715, 1299258, 1948887, 2165430, 3248145, 3897774, 6496290, 9744435, 19488870]

約数ペア:

[(1, 19488870), (2, 9744435), (3, 6496290), (5, 3897774), (6, 3248145), (9, 2165430), (10, 1948887), (15, 1299258), (18, 1082715), (19, 1025730), (27, 721810), (29, 672030), (30, 649629), (38, 512865), (45, 433086), (54, 360905), (57, 341910), (58, 336015), (87, 224010), (90, 216543), (95, 205146), (114, 170955), (131, 148770), (135, 144362), (145, 134406), (171, 113970), (174, 112005), (190, 102573), (261, 74670), (262, 74385), (270, 72181), (285, 68382), (290, 67203), (342, 56985), (393, 49590), (435, 44802), (513, 37990), (522, 37335), (551, 35370), (570, 34191), (655, 29754), (783, 24890), (786, 24795), (855, 22794), (870, 22401), (1026, 18995), (1102, 17685), (1179, 16530), (1305, 14934), (1310, 14877), (1566, 12445), (1653, 11790), (1710, 11397), (1965, 9918), (2358, 8265), (2489, 7830), (2565, 7598), (2610, 7467), (2755, 7074), (3306, 5895), (3537, 5510), (3799, 5130), (3915, 4978), (3930, 4959)]