18191760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{331}}^1$

素因数の和:576

約数の個数: 80

約数和(自身を含む): 56811840

約数和(自身を除く): 38620080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 229, 240, 331, 458, 662, 687, 916, 993, 1145, 1324, 1374, 1655, 1832, 1986, 2290, 2648, 2748, 3310, 3435, 3664, 3972, 4580, 4965, 5296, 5496, 6620, 6870, 7944, 9160, 9930, 10992, 13240, 13740, 15888, 18320, 19860, 26480, 27480, 39720, 54960, 75799, 79440, 151598, 227397, 303196, 378995, 454794, 606392, 757990, 909588, 1136985, 1212784, 1515980, 1819176, 2273970, 3031960, 3638352, 4547940, 6063920, 9095880, 18191760]

約数ペア:

[(1, 18191760), (2, 9095880), (3, 6063920), (4, 4547940), (5, 3638352), (6, 3031960), (8, 2273970), (10, 1819176), (12, 1515980), (15, 1212784), (16, 1136985), (20, 909588), (24, 757990), (30, 606392), (40, 454794), (48, 378995), (60, 303196), (80, 227397), (120, 151598), (229, 79440), (240, 75799), (331, 54960), (458, 39720), (662, 27480), (687, 26480), (916, 19860), (993, 18320), (1145, 15888), (1324, 13740), (1374, 13240), (1655, 10992), (1832, 9930), (1986, 9160), (2290, 7944), (2648, 6870), (2748, 6620), (3310, 5496), (3435, 5296), (3664, 4965), (3972, 4580)]