19765473

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10343}}^1$

素因数の和:10373

約数の個数: 24

約数和(自身を含む): 33018048

約数和(自身を除く): 13252575

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10343, 31029, 72401, 134459, 217203, 403377, 506807, 941213, 1520421, 2823639, 6588491, 19765473]

約数ペア:

[(1, 19765473), (3, 6588491), (7, 2823639), (13, 1520421), (21, 941213), (39, 506807), (49, 403377), (91, 217203), (147, 134459), (273, 72401), (637, 31029), (1911, 10343)]