18494928

素因数分解:

$2^4\times 3^2\times {\mathrm{128437}}^1$

素因数の和:128451

約数の個数: 30

約数和(自身を含む): 51760514

約数和(自身を除く): 33265586

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 128437, 256874, 385311, 513748, 770622, 1027496, 1155933, 1541244, 2054992, 2311866, 3082488, 4623732, 6164976, 9247464, 18494928]

約数ペア:

[(1, 18494928), (2, 9247464), (3, 6164976), (4, 4623732), (6, 3082488), (8, 2311866), (9, 2054992), (12, 1541244), (16, 1155933), (18, 1027496), (24, 770622), (36, 513748), (48, 385311), (72, 256874), (144, 128437)]