19087388

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 34258224

約数和(自身を除く): 15170836

約数列:

[1, 2, 4, 61, 122, 137, 244, 274, 548, 571, 1142, 2284, 8357, 16714, 33428, 34831, 69662, 78227, 139324, 156454, 312908, 4771847, 9543694, 19087388]

約数ペア:

[(1, 19087388), (2, 9543694), (4, 4771847), (61, 312908), (122, 156454), (137, 139324), (244, 78227), (274, 69662), (548, 34831), (571, 33428), (1142, 16714), (2284, 8357)]