19996798

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 33269760

約数和(自身を除く): 13272962

約数列:

[1, 2, 23, 31, 37, 46, 62, 74, 379, 713, 758, 851, 1147, 1426, 1702, 2294, 8717, 11749, 14023, 17434, 23498, 26381, 28046, 52762, 270227, 322529, 434713, 540454, 645058, 869426, 9998399, 19996798]

約数ペア:

[(1, 19996798), (2, 9998399), (23, 869426), (31, 645058), (37, 540454), (46, 434713), (62, 322529), (74, 270227), (379, 52762), (713, 28046), (758, 26381), (851, 23498), (1147, 17434), (1426, 14023), (1702, 11749), (2294, 8717)]