18403424

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:160

約数の個数: 72

約数和(自身を含む): 40674312

約数和(自身を除く): 22270888

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 83, 104, 164, 166, 169, 208, 328, 332, 338, 416, 533, 656, 664, 676, 1066, 1079, 1312, 1328, 1352, 2132, 2158, 2656, 2704, 3403, 4264, 4316, 5408, 6806, 6929, 8528, 8632, 13612, 13858, 14027, 17056, 17264, 27224, 27716, 28054, 34528, 44239, 54448, 55432, 56108, 88478, 108896, 110864, 112216, 176956, 221728, 224432, 353912, 448864, 575107, 707824, 1150214, 1415648, 2300428, 4600856, 9201712, 18403424]

約数ペア:

[(1, 18403424), (2, 9201712), (4, 4600856), (8, 2300428), (13, 1415648), (16, 1150214), (26, 707824), (32, 575107), (41, 448864), (52, 353912), (82, 224432), (83, 221728), (104, 176956), (164, 112216), (166, 110864), (169, 108896), (208, 88478), (328, 56108), (332, 55432), (338, 54448), (416, 44239), (533, 34528), (656, 28054), (664, 27716), (676, 27224), (1066, 17264), (1079, 17056), (1312, 14027), (1328, 13858), (1352, 13612), (2132, 8632), (2158, 8528), (2656, 6929), (2704, 6806), (3403, 5408), (4264, 4316)]