18891610304

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1360283}}^1$

素因数の和:1360333

約数の個数: 56

約数和(自身を含む): 44225553408

約数和(自身を除く): 25333943104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 6944, 13888, 1360283, 2720566, 5441132, 9521981, 10882264, 19043962, 21764528, 38087924, 42168773, 43529056, 76175848, 84337546, 87058112, 152351696, 168675092, 295181411, 304703392, 337350184, 590362822, 609406784, 674700368, 1180725644, 1349400736, 2361451288, 2698801472, 4722902576, 9445805152, 18891610304]

約数ペア:

[(1, 18891610304), (2, 9445805152), (4, 4722902576), (7, 2698801472), (8, 2361451288), (14, 1349400736), (16, 1180725644), (28, 674700368), (31, 609406784), (32, 590362822), (56, 337350184), (62, 304703392), (64, 295181411), (112, 168675092), (124, 152351696), (217, 87058112), (224, 84337546), (248, 76175848), (434, 43529056), (448, 42168773), (496, 38087924), (868, 21764528), (992, 19043962), (1736, 10882264), (1984, 9521981), (3472, 5441132), (6944, 2720566), (13888, 1360283)]