18664976

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:372

約数の個数: 60

約数和(自身を含む): 41164032

約数和(自身を除く): 22499056

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 121, 124, 176, 242, 248, 311, 341, 484, 496, 622, 682, 968, 1244, 1364, 1936, 2488, 2728, 3421, 3751, 4976, 5456, 6842, 7502, 9641, 13684, 15004, 19282, 27368, 30008, 37631, 38564, 54736, 60016, 75262, 77128, 106051, 150524, 154256, 212102, 301048, 424204, 602096, 848408, 1166561, 1696816, 2333122, 4666244, 9332488, 18664976]

約数ペア:

[(1, 18664976), (2, 9332488), (4, 4666244), (8, 2333122), (11, 1696816), (16, 1166561), (22, 848408), (31, 602096), (44, 424204), (62, 301048), (88, 212102), (121, 154256), (124, 150524), (176, 106051), (242, 77128), (248, 75262), (311, 60016), (341, 54736), (484, 38564), (496, 37631), (622, 30008), (682, 27368), (968, 19282), (1244, 15004), (1364, 13684), (1936, 9641), (2488, 7502), (2728, 6842), (3421, 5456), (3751, 4976)]