19111290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2047

約数の個数: 64

約数和(自身を含む): 51788160

約数和(自身を除く): 32676870

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 110, 145, 165, 174, 290, 319, 330, 435, 638, 870, 957, 1595, 1914, 1997, 3190, 3994, 4785, 5991, 9570, 9985, 11982, 19970, 21967, 29955, 43934, 57913, 59910, 65901, 109835, 115826, 131802, 173739, 219670, 289565, 329505, 347478, 579130, 637043, 659010, 868695, 1274086, 1737390, 1911129, 3185215, 3822258, 6370430, 9555645, 19111290]

約数ペア:

[(1, 19111290), (2, 9555645), (3, 6370430), (5, 3822258), (6, 3185215), (10, 1911129), (11, 1737390), (15, 1274086), (22, 868695), (29, 659010), (30, 637043), (33, 579130), (55, 347478), (58, 329505), (66, 289565), (87, 219670), (110, 173739), (145, 131802), (165, 115826), (174, 109835), (290, 65901), (319, 59910), (330, 57913), (435, 43934), (638, 29955), (870, 21967), (957, 19970), (1595, 11982), (1914, 9985), (1997, 9570), (3190, 5991), (3994, 4785)]