19505875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 26357760

約数和(自身を除く): 6851885

約数列:

[1, 5, 19, 25, 43, 95, 125, 191, 215, 475, 817, 955, 1075, 2375, 3629, 4085, 4775, 5375, 8213, 18145, 20425, 23875, 41065, 90725, 102125, 156047, 205325, 453625, 780235, 1026625, 3901175, 19505875]

約数ペア:

[(1, 19505875), (5, 3901175), (19, 1026625), (25, 780235), (43, 453625), (95, 205325), (125, 156047), (191, 102125), (215, 90725), (475, 41065), (817, 23875), (955, 20425), (1075, 18145), (2375, 8213), (3629, 5375), (4085, 4775)]