18178155

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{373}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 34198560

約数和(自身を除く): 16020405

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 361, 373, 513, 855, 1083, 1119, 1805, 1865, 2565, 3249, 3357, 5415, 5595, 7087, 9747, 10071, 16245, 16785, 21261, 35435, 48735, 50355, 63783, 106305, 134653, 191349, 318915, 403959, 673265, 956745, 1211877, 2019795, 3635631, 6059385, 18178155]

約数ペア:

[(1, 18178155), (3, 6059385), (5, 3635631), (9, 2019795), (15, 1211877), (19, 956745), (27, 673265), (45, 403959), (57, 318915), (95, 191349), (135, 134653), (171, 106305), (285, 63783), (361, 50355), (373, 48735), (513, 35435), (855, 21261), (1083, 16785), (1119, 16245), (1805, 10071), (1865, 9747), (2565, 7087), (3249, 5595), (3357, 5415)]