17986572

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 47803392

約数和(自身を除く): 29816820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 71, 93, 124, 142, 186, 213, 227, 279, 284, 372, 426, 454, 558, 639, 681, 852, 908, 1116, 1278, 1362, 2043, 2201, 2556, 2724, 4086, 4402, 6603, 7037, 8172, 8804, 13206, 14074, 16117, 19809, 21111, 26412, 28148, 32234, 39618, 42222, 48351, 63333, 64468, 79236, 84444, 96702, 126666, 145053, 193404, 253332, 290106, 499627, 580212, 999254, 1498881, 1998508, 2997762, 4496643, 5995524, 8993286, 17986572]

約数ペア:

[(1, 17986572), (2, 8993286), (3, 5995524), (4, 4496643), (6, 2997762), (9, 1998508), (12, 1498881), (18, 999254), (31, 580212), (36, 499627), (62, 290106), (71, 253332), (93, 193404), (124, 145053), (142, 126666), (186, 96702), (213, 84444), (227, 79236), (279, 64468), (284, 63333), (372, 48351), (426, 42222), (454, 39618), (558, 32234), (639, 28148), (681, 26412), (852, 21111), (908, 19809), (1116, 16117), (1278, 14074), (1362, 13206), (2043, 8804), (2201, 8172), (2556, 7037), (2724, 6603), (4086, 4402)]