18496115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 25444800

約数和(自身を除く): 6948685

約数列:

[1, 5, 11, 37, 55, 61, 149, 185, 305, 407, 671, 745, 1639, 2035, 2257, 3355, 5513, 8195, 9089, 11285, 24827, 27565, 45445, 60643, 99979, 124135, 303215, 336293, 499895, 1681465, 3699223, 18496115]

約数ペア:

[(1, 18496115), (5, 3699223), (11, 1681465), (37, 499895), (55, 336293), (61, 303215), (149, 124135), (185, 99979), (305, 60643), (407, 45445), (671, 27565), (745, 24827), (1639, 11285), (2035, 9089), (2257, 8195), (3355, 5513)]