19923393

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 31363072

約数和(自身を除く): 11439679

約数列:

[1, 3, 7, 21, 61, 103, 151, 183, 309, 427, 453, 721, 1057, 1281, 2163, 3171, 6283, 9211, 15553, 18849, 27633, 43981, 46659, 64477, 108871, 131943, 193431, 326613, 948733, 2846199, 6641131, 19923393]

約数ペア:

[(1, 19923393), (3, 6641131), (7, 2846199), (21, 948733), (61, 326613), (103, 193431), (151, 131943), (183, 108871), (309, 64477), (427, 46659), (453, 43981), (721, 27633), (1057, 18849), (1281, 15553), (2163, 9211), (3171, 6283)]