18163696

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:577

約数の個数: 40

約数和(自身を含む): 37386000

約数和(自身を除く): 19222304

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 149, 152, 298, 304, 401, 596, 802, 1192, 1604, 2384, 2831, 3208, 5662, 6416, 7619, 11324, 15238, 22648, 30476, 45296, 59749, 60952, 119498, 121904, 238996, 477992, 955984, 1135231, 2270462, 4540924, 9081848, 18163696]

約数ペア:

[(1, 18163696), (2, 9081848), (4, 4540924), (8, 2270462), (16, 1135231), (19, 955984), (38, 477992), (76, 238996), (149, 121904), (152, 119498), (298, 60952), (304, 59749), (401, 45296), (596, 30476), (802, 22648), (1192, 15238), (1604, 11324), (2384, 7619), (2831, 6416), (3208, 5662)]