18795040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 49533120

約数和(自身を除く): 30738080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 59, 80, 88, 110, 118, 160, 176, 181, 220, 236, 295, 352, 362, 440, 472, 590, 649, 724, 880, 905, 944, 1180, 1298, 1448, 1760, 1810, 1888, 1991, 2360, 2596, 2896, 3245, 3620, 3982, 4720, 5192, 5792, 6490, 7240, 7964, 9440, 9955, 10384, 10679, 12980, 14480, 15928, 19910, 20768, 21358, 25960, 28960, 31856, 39820, 42716, 51920, 53395, 63712, 79640, 85432, 103840, 106790, 117469, 159280, 170864, 213580, 234938, 318560, 341728, 427160, 469876, 587345, 854320, 939752, 1174690, 1708640, 1879504, 2349380, 3759008, 4698760, 9397520, 18795040]

約数ペア:

[(1, 18795040), (2, 9397520), (4, 4698760), (5, 3759008), (8, 2349380), (10, 1879504), (11, 1708640), (16, 1174690), (20, 939752), (22, 854320), (32, 587345), (40, 469876), (44, 427160), (55, 341728), (59, 318560), (80, 234938), (88, 213580), (110, 170864), (118, 159280), (160, 117469), (176, 106790), (181, 103840), (220, 85432), (236, 79640), (295, 63712), (352, 53395), (362, 51920), (440, 42716), (472, 39820), (590, 31856), (649, 28960), (724, 25960), (880, 21358), (905, 20768), (944, 19910), (1180, 15928), (1298, 14480), (1448, 12980), (1760, 10679), (1810, 10384), (1888, 9955), (1991, 9440), (2360, 7964), (2596, 7240), (2896, 6490), (3245, 5792), (3620, 5192), (3982, 4720)]