19177745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 25850880

約数和(自身を除く): 6673135

約数列:

[1, 5, 19, 23, 67, 95, 115, 131, 335, 437, 655, 1273, 1541, 2185, 2489, 3013, 6365, 7705, 8777, 12445, 15065, 29279, 43885, 57247, 146395, 166763, 201871, 286235, 833815, 1009355, 3835549, 19177745]

約数ペア:

[(1, 19177745), (5, 3835549), (19, 1009355), (23, 833815), (67, 286235), (95, 201871), (115, 166763), (131, 146395), (335, 57247), (437, 43885), (655, 29279), (1273, 15065), (1541, 12445), (2185, 8777), (2489, 7705), (3013, 6365)]