18639660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1039}}^1$

素因数の和:1087

約数の個数: 96

約数和(自身を含む): 58705920

約数和(自身を除く): 40066260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 230, 260, 276, 299, 345, 390, 460, 598, 690, 780, 897, 1039, 1196, 1380, 1495, 1794, 2078, 2990, 3117, 3588, 4156, 4485, 5195, 5980, 6234, 8970, 10390, 12468, 13507, 15585, 17940, 20780, 23897, 27014, 31170, 40521, 47794, 54028, 62340, 67535, 71691, 81042, 95588, 119485, 135070, 143382, 162084, 202605, 238970, 270140, 286764, 310661, 358455, 405210, 477940, 621322, 716910, 810420, 931983, 1242644, 1433820, 1553305, 1863966, 3106610, 3727932, 4659915, 6213220, 9319830, 18639660]

約数ペア:

[(1, 18639660), (2, 9319830), (3, 6213220), (4, 4659915), (5, 3727932), (6, 3106610), (10, 1863966), (12, 1553305), (13, 1433820), (15, 1242644), (20, 931983), (23, 810420), (26, 716910), (30, 621322), (39, 477940), (46, 405210), (52, 358455), (60, 310661), (65, 286764), (69, 270140), (78, 238970), (92, 202605), (115, 162084), (130, 143382), (138, 135070), (156, 119485), (195, 95588), (230, 81042), (260, 71691), (276, 67535), (299, 62340), (345, 54028), (390, 47794), (460, 40521), (598, 31170), (690, 27014), (780, 23897), (897, 20780), (1039, 17940), (1196, 15585), (1380, 13507), (1495, 12468), (1794, 10390), (2078, 8970), (2990, 6234), (3117, 5980), (3588, 5195), (4156, 4485)]