19543336

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 39787200

約数和(自身を除く): 20243864

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 107, 136, 158, 214, 289, 316, 428, 578, 632, 856, 1156, 1343, 1819, 2312, 2686, 3638, 5372, 7276, 8453, 10744, 14552, 16906, 22831, 30923, 33812, 45662, 61846, 67624, 91324, 123692, 143701, 182648, 247384, 287402, 574804, 1149608, 2442917, 4885834, 9771668, 19543336]

約数ペア:

[(1, 19543336), (2, 9771668), (4, 4885834), (8, 2442917), (17, 1149608), (34, 574804), (68, 287402), (79, 247384), (107, 182648), (136, 143701), (158, 123692), (214, 91324), (289, 67624), (316, 61846), (428, 45662), (578, 33812), (632, 30923), (856, 22831), (1156, 16906), (1343, 14552), (1819, 10744), (2312, 8453), (2686, 7276), (3638, 5372)]