18287973220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2681521}}^1$

素因数の和:2681572

約数の個数: 48

約数和(自身を含む): 43247586816

約数和(自身を除く): 24959613596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 2681521, 5363042, 10726084, 13407605, 26815210, 29496731, 53630420, 58993462, 83127151, 117986924, 147483655, 166254302, 294967310, 332508604, 415635755, 589934620, 831271510, 914398661, 1662543020, 1828797322, 3657594644, 4571993305, 9143986610, 18287973220]

約数ペア:

[(1, 18287973220), (2, 9143986610), (4, 4571993305), (5, 3657594644), (10, 1828797322), (11, 1662543020), (20, 914398661), (22, 831271510), (31, 589934620), (44, 415635755), (55, 332508604), (62, 294967310), (110, 166254302), (124, 147483655), (155, 117986924), (220, 83127151), (310, 58993462), (341, 53630420), (620, 29496731), (682, 26815210), (1364, 13407605), (1705, 10726084), (3410, 5363042), (6820, 2681521)]