19720482

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 40795584

約数和(自身を除く): 21075102

約数列:

[1, 2, 3, 6, 37, 74, 111, 211, 222, 421, 422, 633, 842, 1263, 1266, 2526, 7807, 15577, 15614, 23421, 31154, 46731, 46842, 88831, 93462, 177662, 266493, 532986, 3286747, 6573494, 9860241, 19720482]

約数ペア:

[(1, 19720482), (2, 9860241), (3, 6573494), (6, 3286747), (37, 532986), (74, 266493), (111, 177662), (211, 93462), (222, 88831), (421, 46842), (422, 46731), (633, 31154), (842, 23421), (1263, 15614), (1266, 15577), (2526, 7807)]