19117197

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 32864832

約数和(自身を除く): 13747635

約数列:

[1, 3, 9, 11, 17, 33, 37, 51, 99, 111, 153, 187, 307, 333, 407, 561, 629, 921, 1221, 1683, 1887, 2763, 3377, 3663, 5219, 5661, 6919, 10131, 11359, 15657, 20757, 30393, 34077, 46971, 57409, 62271, 102231, 124949, 172227, 193103, 374847, 516681, 579309, 1124541, 1737927, 2124133, 6372399, 19117197]

約数ペア:

[(1, 19117197), (3, 6372399), (9, 2124133), (11, 1737927), (17, 1124541), (33, 579309), (37, 516681), (51, 374847), (99, 193103), (111, 172227), (153, 124949), (187, 102231), (307, 62271), (333, 57409), (407, 46971), (561, 34077), (629, 30393), (921, 20757), (1221, 15657), (1683, 11359), (1887, 10131), (2763, 6919), (3377, 5661), (3663, 5219)]