19191848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1693}}^1$

素因数の和:1821

約数の個数: 32

約数和(自身を含む): 39131400

約数和(自身を除く): 19939552

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 436, 872, 1417, 1693, 2834, 3386, 5668, 6772, 11336, 13544, 22009, 44018, 88036, 176072, 184537, 369074, 738148, 1476296, 2398981, 4797962, 9595924, 19191848]

約数ペア:

[(1, 19191848), (2, 9595924), (4, 4797962), (8, 2398981), (13, 1476296), (26, 738148), (52, 369074), (104, 184537), (109, 176072), (218, 88036), (436, 44018), (872, 22009), (1417, 13544), (1693, 11336), (2834, 6772), (3386, 5668)]