18768840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{683}}^1$

素因数の和:926

約数の個数: 64

約数和(自身を含む): 56635200

約数和(自身を除く): 37866360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 229, 458, 683, 687, 916, 1145, 1366, 1374, 1832, 2049, 2290, 2732, 2748, 3415, 3435, 4098, 4580, 5464, 5496, 6830, 6870, 8196, 9160, 10245, 13660, 13740, 16392, 20490, 27320, 27480, 40980, 81960, 156407, 312814, 469221, 625628, 782035, 938442, 1251256, 1564070, 1876884, 2346105, 3128140, 3753768, 4692210, 6256280, 9384420, 18768840]

約数ペア:

[(1, 18768840), (2, 9384420), (3, 6256280), (4, 4692210), (5, 3753768), (6, 3128140), (8, 2346105), (10, 1876884), (12, 1564070), (15, 1251256), (20, 938442), (24, 782035), (30, 625628), (40, 469221), (60, 312814), (120, 156407), (229, 81960), (458, 40980), (683, 27480), (687, 27320), (916, 20490), (1145, 16392), (1366, 13740), (1374, 13660), (1832, 10245), (2049, 9160), (2290, 8196), (2732, 6870), (2748, 6830), (3415, 5496), (3435, 5464), (4098, 4580)]