19051905

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 31371264

約数和(自身を除く): 12319359

約数列:

[1, 3, 5, 15, 73, 127, 137, 219, 365, 381, 411, 635, 685, 1095, 1905, 2055, 9271, 10001, 17399, 27813, 30003, 46355, 50005, 52197, 86995, 139065, 150015, 260985, 1270127, 3810381, 6350635, 19051905]

約数ペア:

[(1, 19051905), (3, 6350635), (5, 3810381), (15, 1270127), (73, 260985), (127, 150015), (137, 139065), (219, 86995), (365, 52197), (381, 50005), (411, 46355), (635, 30003), (685, 27813), (1095, 17399), (1905, 10001), (2055, 9271)]