19728498

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2837}}^1$

素因数の和:2922

約数の個数: 32

約数和(自身を含む): 42229440

約数和(自身を除く): 22500942

約数列:

[1, 2, 3, 6, 19, 38, 57, 61, 114, 122, 183, 366, 1159, 2318, 2837, 3477, 5674, 6954, 8511, 17022, 53903, 107806, 161709, 173057, 323418, 346114, 519171, 1038342, 3288083, 6576166, 9864249, 19728498]

約数ペア:

[(1, 19728498), (2, 9864249), (3, 6576166), (6, 3288083), (19, 1038342), (38, 519171), (57, 346114), (61, 323418), (114, 173057), (122, 161709), (183, 107806), (366, 53903), (1159, 17022), (2318, 8511), (2837, 6954), (3477, 5674)]