18972342

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:573

約数の個数: 48

約数和(自身を含む): 43001712

約数和(自身を除く): 24029370

約数列:

[1, 2, 3, 6, 9, 18, 37, 61, 74, 111, 122, 183, 222, 333, 366, 467, 549, 666, 934, 1098, 1401, 2257, 2802, 4203, 4514, 6771, 8406, 13542, 17279, 20313, 28487, 34558, 40626, 51837, 56974, 85461, 103674, 155511, 170922, 256383, 311022, 512766, 1054019, 2108038, 3162057, 6324114, 9486171, 18972342]

約数ペア:

[(1, 18972342), (2, 9486171), (3, 6324114), (6, 3162057), (9, 2108038), (18, 1054019), (37, 512766), (61, 311022), (74, 256383), (111, 170922), (122, 155511), (183, 103674), (222, 85461), (333, 56974), (366, 51837), (467, 40626), (549, 34558), (666, 28487), (934, 20313), (1098, 17279), (1401, 13542), (2257, 8406), (2802, 6771), (4203, 4514)]