19692998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 33530112

約数和(自身を除く): 13837114

約数列:

[1, 2, 13, 26, 31, 53, 62, 106, 403, 461, 689, 806, 922, 1378, 1643, 3286, 5993, 11986, 14291, 21359, 24433, 28582, 42718, 48866, 185783, 317629, 371566, 635258, 757423, 1514846, 9846499, 19692998]

約数ペア:

[(1, 19692998), (2, 9846499), (13, 1514846), (26, 757423), (31, 635258), (53, 371566), (62, 317629), (106, 185783), (403, 48866), (461, 42718), (689, 28582), (806, 24433), (922, 21359), (1378, 14291), (1643, 11986), (3286, 5993)]