19973460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{883}}^1$

素因数の和:937

約数の個数: 96

約数和(自身を含む): 62375040

約数和(自身を除く): 42401580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 130, 145, 156, 174, 195, 260, 290, 348, 377, 390, 435, 580, 754, 780, 870, 883, 1131, 1508, 1740, 1766, 1885, 2262, 2649, 3532, 3770, 4415, 4524, 5298, 5655, 7540, 8830, 10596, 11310, 11479, 13245, 17660, 22620, 22958, 25607, 26490, 34437, 45916, 51214, 52980, 57395, 68874, 76821, 102428, 114790, 128035, 137748, 153642, 172185, 229580, 256070, 307284, 332891, 344370, 384105, 512140, 665782, 688740, 768210, 998673, 1331564, 1536420, 1664455, 1997346, 3328910, 3994692, 4993365, 6657820, 9986730, 19973460]

約数ペア:

[(1, 19973460), (2, 9986730), (3, 6657820), (4, 4993365), (5, 3994692), (6, 3328910), (10, 1997346), (12, 1664455), (13, 1536420), (15, 1331564), (20, 998673), (26, 768210), (29, 688740), (30, 665782), (39, 512140), (52, 384105), (58, 344370), (60, 332891), (65, 307284), (78, 256070), (87, 229580), (116, 172185), (130, 153642), (145, 137748), (156, 128035), (174, 114790), (195, 102428), (260, 76821), (290, 68874), (348, 57395), (377, 52980), (390, 51214), (435, 45916), (580, 34437), (754, 26490), (780, 25607), (870, 22958), (883, 22620), (1131, 17660), (1508, 13245), (1740, 11479), (1766, 11310), (1885, 10596), (2262, 8830), (2649, 7540), (3532, 5655), (3770, 5298), (4415, 4524)]