19992456

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{25243}}^1$

素因数の和:25266

約数の個数: 48

約数和(自身を含む): 59070960

約数和(自身を除く): 39078504

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792, 25243, 50486, 75729, 100972, 151458, 201944, 227187, 277673, 302916, 454374, 555346, 605832, 833019, 908748, 1110692, 1666038, 1817496, 2221384, 2499057, 3332076, 4998114, 6664152, 9996228, 19992456]

約数ペア:

[(1, 19992456), (2, 9996228), (3, 6664152), (4, 4998114), (6, 3332076), (8, 2499057), (9, 2221384), (11, 1817496), (12, 1666038), (18, 1110692), (22, 908748), (24, 833019), (33, 605832), (36, 555346), (44, 454374), (66, 302916), (72, 277673), (88, 227187), (99, 201944), (132, 151458), (198, 100972), (264, 75729), (396, 50486), (792, 25243)]