18829120466

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{61}}^1\times {\mathrm{70249}}^1$

素因数の和:70351

約数の個数: 32

約数和(自身を含む): 31098270000

約数和(自身を除く): 12269149534

約数列:

[1, 2, 13, 26, 61, 122, 169, 338, 793, 1586, 2197, 4394, 10309, 20618, 70249, 134017, 140498, 268034, 913237, 1826474, 4285189, 8570378, 11872081, 23744162, 55707457, 111414914, 154337053, 308674106, 724196941, 1448393882, 9414560233, 18829120466]

約数ペア:

[(1, 18829120466), (2, 9414560233), (13, 1448393882), (26, 724196941), (61, 308674106), (122, 154337053), (169, 111414914), (338, 55707457), (793, 23744162), (1586, 11872081), (2197, 8570378), (4394, 4285189), (10309, 1826474), (20618, 913237), (70249, 268034), (134017, 140498)]