19478872

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 46785600

約数和(自身を除く): 27306728

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 37, 49, 56, 68, 74, 79, 98, 119, 136, 148, 158, 196, 238, 259, 296, 316, 392, 476, 518, 553, 629, 632, 833, 952, 1036, 1106, 1258, 1343, 1666, 1813, 2072, 2212, 2516, 2686, 2923, 3332, 3626, 3871, 4403, 4424, 5032, 5372, 5846, 6664, 7252, 7742, 8806, 9401, 10744, 11692, 14504, 15484, 17612, 18802, 20461, 23384, 30821, 30968, 35224, 37604, 40922, 49691, 61642, 65807, 75208, 81844, 99382, 123284, 131614, 143227, 163688, 198764, 246568, 263228, 286454, 347837, 397528, 526456, 572908, 695674, 1145816, 1391348, 2434859, 2782696, 4869718, 9739436, 19478872]

約数ペア:

[(1, 19478872), (2, 9739436), (4, 4869718), (7, 2782696), (8, 2434859), (14, 1391348), (17, 1145816), (28, 695674), (34, 572908), (37, 526456), (49, 397528), (56, 347837), (68, 286454), (74, 263228), (79, 246568), (98, 198764), (119, 163688), (136, 143227), (148, 131614), (158, 123284), (196, 99382), (238, 81844), (259, 75208), (296, 65807), (316, 61642), (392, 49691), (476, 40922), (518, 37604), (553, 35224), (629, 30968), (632, 30821), (833, 23384), (952, 20461), (1036, 18802), (1106, 17612), (1258, 15484), (1343, 14504), (1666, 11692), (1813, 10744), (2072, 9401), (2212, 8806), (2516, 7742), (2686, 7252), (2923, 6664), (3332, 5846), (3626, 5372), (3871, 5032), (4403, 4424)]