18120784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:859

約数の個数: 40

約数和(自身を含む): 38613600

約数和(自身を除く): 20492816

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 149, 176, 298, 596, 691, 1192, 1382, 1639, 2384, 2764, 3278, 5528, 6556, 7601, 11056, 13112, 15202, 26224, 30404, 60808, 102959, 121616, 205918, 411836, 823672, 1132549, 1647344, 2265098, 4530196, 9060392, 18120784]

約数ペア:

[(1, 18120784), (2, 9060392), (4, 4530196), (8, 2265098), (11, 1647344), (16, 1132549), (22, 823672), (44, 411836), (88, 205918), (149, 121616), (176, 102959), (298, 60808), (596, 30404), (691, 26224), (1192, 15202), (1382, 13112), (1639, 11056), (2384, 7601), (2764, 6556), (3278, 5528)]