18690705

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 35979840

約数和(自身を除く): 17289135

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 61, 99, 165, 183, 305, 495, 549, 619, 671, 915, 1857, 2013, 2745, 3095, 3355, 5571, 6039, 6809, 9285, 10065, 20427, 27855, 30195, 34045, 37759, 61281, 102135, 113277, 188795, 306405, 339831, 415349, 566385, 1246047, 1699155, 2076745, 3738141, 6230235, 18690705]

約数ペア:

[(1, 18690705), (3, 6230235), (5, 3738141), (9, 2076745), (11, 1699155), (15, 1246047), (33, 566385), (45, 415349), (55, 339831), (61, 306405), (99, 188795), (165, 113277), (183, 102135), (305, 61281), (495, 37759), (549, 34045), (619, 30195), (671, 27855), (915, 20427), (1857, 10065), (2013, 9285), (2745, 6809), (3095, 6039), (3355, 5571)]