18643608

素因数分解:

$2^3\times 3^4\times {\mathrm{28771}}^1$

素因数の和:28789

約数の個数: 40

約数和(自身を含む): 52221180

約数和(自身を除く): 33577572

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 28771, 57542, 86313, 115084, 172626, 230168, 258939, 345252, 517878, 690504, 776817, 1035756, 1553634, 2071512, 2330451, 3107268, 4660902, 6214536, 9321804, 18643608]

約数ペア:

[(1, 18643608), (2, 9321804), (3, 6214536), (4, 4660902), (6, 3107268), (8, 2330451), (9, 2071512), (12, 1553634), (18, 1035756), (24, 776817), (27, 690504), (36, 517878), (54, 345252), (72, 258939), (81, 230168), (108, 172626), (162, 115084), (216, 86313), (324, 57542), (648, 28771)]