18547240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 25516760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 59, 116, 118, 145, 232, 236, 271, 290, 295, 472, 542, 580, 590, 1084, 1160, 1180, 1355, 1711, 2168, 2360, 2710, 3422, 5420, 6844, 7859, 8555, 10840, 13688, 15718, 15989, 17110, 31436, 31978, 34220, 39295, 62872, 63956, 68440, 78590, 79945, 127912, 157180, 159890, 314360, 319780, 463681, 639560, 927362, 1854724, 2318405, 3709448, 4636810, 9273620, 18547240]

約数ペア:

[(1, 18547240), (2, 9273620), (4, 4636810), (5, 3709448), (8, 2318405), (10, 1854724), (20, 927362), (29, 639560), (40, 463681), (58, 319780), (59, 314360), (116, 159890), (118, 157180), (145, 127912), (232, 79945), (236, 78590), (271, 68440), (290, 63956), (295, 62872), (472, 39295), (542, 34220), (580, 31978), (590, 31436), (1084, 17110), (1160, 15989), (1180, 15718), (1355, 13688), (1711, 10840), (2168, 8555), (2360, 7859), (2710, 6844), (3422, 5420)]