19917522

素因数分解:

$2^1\times 3^3\times {\mathrm{103}}^1\times {\mathrm{3581}}^1$

素因数の和:3695

約数の個数: 32

約数和(自身を含む): 44703360

約数和(自身を除く): 24785838

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 103, 206, 309, 618, 927, 1854, 2781, 3581, 5562, 7162, 10743, 21486, 32229, 64458, 96687, 193374, 368843, 737686, 1106529, 2213058, 3319587, 6639174, 9958761, 19917522]

約数ペア:

[(1, 19917522), (2, 9958761), (3, 6639174), (6, 3319587), (9, 2213058), (18, 1106529), (27, 737686), (54, 368843), (103, 193374), (206, 96687), (309, 64458), (618, 32229), (927, 21486), (1854, 10743), (2781, 7162), (3581, 5562)]