19098490

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 35354880

約数和(自身を除く): 16256390

約数列:

[1, 2, 5, 10, 61, 122, 131, 239, 262, 305, 478, 610, 655, 1195, 1310, 2390, 7991, 14579, 15982, 29158, 31309, 39955, 62618, 72895, 79910, 145790, 156545, 313090, 1909849, 3819698, 9549245, 19098490]

約数ペア:

[(1, 19098490), (2, 9549245), (5, 3819698), (10, 1909849), (61, 313090), (122, 156545), (131, 145790), (239, 79910), (262, 72895), (305, 62618), (478, 39955), (610, 31309), (655, 29158), (1195, 15982), (1310, 14579), (2390, 7991)]