18781294

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 36827136

約数和(自身を除く): 18045842

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 47, 73, 94, 119, 146, 161, 238, 322, 329, 391, 511, 658, 782, 799, 1022, 1081, 1241, 1598, 1679, 2162, 2482, 2737, 3358, 3431, 5474, 5593, 6862, 7567, 8687, 11186, 11753, 15134, 17374, 18377, 23506, 24017, 28543, 36754, 48034, 57086, 58327, 78913, 116654, 128639, 157826, 199801, 257278, 399602, 408289, 552391, 816578, 1104782, 1341521, 2683042, 9390647, 18781294]

約数ペア:

[(1, 18781294), (2, 9390647), (7, 2683042), (14, 1341521), (17, 1104782), (23, 816578), (34, 552391), (46, 408289), (47, 399602), (73, 257278), (94, 199801), (119, 157826), (146, 128639), (161, 116654), (238, 78913), (322, 58327), (329, 57086), (391, 48034), (511, 36754), (658, 28543), (782, 24017), (799, 23506), (1022, 18377), (1081, 17374), (1241, 15134), (1598, 11753), (1679, 11186), (2162, 8687), (2482, 7567), (2737, 6862), (3358, 5593), (3431, 5474)]