19674840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1291}}^1$

素因数の和:1432

約数の個数: 64

約数和(自身を含む): 59535360

約数和(自身を除く): 39860520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 1016, 1270, 1291, 1524, 1905, 2540, 2582, 3048, 3810, 3873, 5080, 5164, 6455, 7620, 7746, 10328, 12910, 15240, 15492, 19365, 25820, 30984, 38730, 51640, 77460, 154920, 163957, 327914, 491871, 655828, 819785, 983742, 1311656, 1639570, 1967484, 2459355, 3279140, 3934968, 4918710, 6558280, 9837420, 19674840]

約数ペア:

[(1, 19674840), (2, 9837420), (3, 6558280), (4, 4918710), (5, 3934968), (6, 3279140), (8, 2459355), (10, 1967484), (12, 1639570), (15, 1311656), (20, 983742), (24, 819785), (30, 655828), (40, 491871), (60, 327914), (120, 163957), (127, 154920), (254, 77460), (381, 51640), (508, 38730), (635, 30984), (762, 25820), (1016, 19365), (1270, 15492), (1291, 15240), (1524, 12910), (1905, 10328), (2540, 7746), (2582, 7620), (3048, 6455), (3810, 5164), (3873, 5080)]