19657494

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{17903}}^1$

素因数の和:17972

約数の個数: 24

約数和(自身を含む): 43291872

約数和(自身を除く): 23634378

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 17903, 35806, 53709, 107418, 161127, 322254, 1092083, 2184166, 3276249, 6552498, 9828747, 19657494]

約数ペア:

[(1, 19657494), (2, 9828747), (3, 6552498), (6, 3276249), (9, 2184166), (18, 1092083), (61, 322254), (122, 161127), (183, 107418), (366, 53709), (549, 35806), (1098, 17903)]