18884520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{52457}}^1$

素因数の和:52474

約数の個数: 48

約数和(自身を含む): 61375860

約数和(自身を除く): 42491340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 52457, 104914, 157371, 209828, 262285, 314742, 419656, 472113, 524570, 629484, 786855, 944226, 1049140, 1258968, 1573710, 1888452, 2098280, 2360565, 3147420, 3776904, 4721130, 6294840, 9442260, 18884520]

約数ペア:

[(1, 18884520), (2, 9442260), (3, 6294840), (4, 4721130), (5, 3776904), (6, 3147420), (8, 2360565), (9, 2098280), (10, 1888452), (12, 1573710), (15, 1258968), (18, 1049140), (20, 944226), (24, 786855), (30, 629484), (36, 524570), (40, 472113), (45, 419656), (60, 314742), (72, 262285), (90, 209828), (120, 157371), (180, 104914), (360, 52457)]