19399983.000000000

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:754

約数の個数: 144

約数和(自身を含む): 463861440

約数和(自身を除く): 310683324

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 29, 39, 42, 49, 52, 58, 78, 84, 87, 91, 98, 116, 147, 156, 174, 182, 196, 203, 273, 294, 348, 364, 377, 406, 546, 588, 609, 637, 691, 754, 812, 1092, 1131, 1218, 1274, 1382, 1421, 1508, 1911, 2073, 2262, 2436, 2548, 2639, 2764, 2842, 3822, 4146, 4263, 4524, 4837, 5278, 5684, 7644, 7917, 8292, 8526, 8983, 9674, 10556, 14511, 15834, 17052, 17966, 18473, 19348, 20039, 26949, 29022, 31668, 33859, 35932, 36946, 40078, 53898, 55419, 58044, 60117, 62881, 67718, 73892, 80156, 101577, 107796, 110838, 120234, 125762, 135436, 140273, 188643, 203154, 221676, 240468, 251524, 260507, 280546, 377286, 406308, 420819, 440167, 521014, 561092, 754572, 781521, 841638, 880334, 981911, 1042028, 1320501, 1563042, 1683276, 1760668, 1823549, 1963822, 2641002, 2945733, 3126084, 3647098, 3927644, 5282004, 5470647, 5891466, 7294196, 10941294, 11782932, 12764843, 21882588, 25529686, 38294529, 51059372, 76589058, 153178116]

約数ペア:

[(1, 153178116), (2, 76589058), (3, 51059372), (4, 38294529), (6, 25529686), (7, 21882588), (12, 12764843), (13, 11782932), (14, 10941294), (21, 7294196), (26, 5891466), (28, 5470647), (29, 5282004), (39, 3927644), (42, 3647098), (49, 3126084), (52, 2945733), (58, 2641002), (78, 1963822), (84, 1823549), (87, 1760668), (91, 1683276), (98, 1563042), (116, 1320501), (147, 1042028), (156, 981911), (174, 880334), (182, 841638), (196, 781521), (203, 754572), (273, 561092), (294, 521014), (348, 440167), (364, 420819), (377, 406308), (406, 377286), (546, 280546), (588, 260507), (609, 251524), (637, 240468), (691, 221676), (754, 203154), (812, 188643), (1092, 140273), (1131, 135436), (1218, 125762), (1274, 120234), (1382, 110838), (1421, 107796), (1508, 101577), (1911, 80156), (2073, 73892), (2262, 67718), (2436, 62881), (2548, 60117), (2639, 58044), (2764, 55419), (2842, 53898), (3822, 40078), (4146, 36946), (4263, 35932), (4524, 33859), (4837, 31668), (5278, 29022), (5684, 26949), (7644, 20039), (7917, 19348), (8292, 18473), (8526, 17966), (8983, 17052), (9674, 15834), (10556, 14511)]