17981392

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 42497280

約数和(自身を除く): 24515888

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 29, 44, 52, 58, 88, 104, 116, 143, 176, 208, 232, 271, 286, 319, 377, 464, 542, 572, 638, 754, 1084, 1144, 1276, 1508, 2168, 2288, 2552, 2981, 3016, 3523, 4147, 4336, 5104, 5962, 6032, 7046, 7859, 8294, 11924, 14092, 15718, 16588, 23848, 28184, 31436, 33176, 38753, 47696, 56368, 62872, 66352, 77506, 86449, 102167, 125744, 155012, 172898, 204334, 310024, 345796, 408668, 620048, 691592, 817336, 1123837, 1383184, 1634672, 2247674, 4495348, 8990696, 17981392]

約数ペア:

[(1, 17981392), (2, 8990696), (4, 4495348), (8, 2247674), (11, 1634672), (13, 1383184), (16, 1123837), (22, 817336), (26, 691592), (29, 620048), (44, 408668), (52, 345796), (58, 310024), (88, 204334), (104, 172898), (116, 155012), (143, 125744), (176, 102167), (208, 86449), (232, 77506), (271, 66352), (286, 62872), (319, 56368), (377, 47696), (464, 38753), (542, 33176), (572, 31436), (638, 28184), (754, 23848), (1084, 16588), (1144, 15718), (1276, 14092), (1508, 11924), (2168, 8294), (2288, 7859), (2552, 7046), (2981, 6032), (3016, 5962), (3523, 5104), (4147, 4336)]