18186616

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^2$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 40375440

約数和(自身を除く): 22188824

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 89, 164, 178, 287, 328, 356, 574, 623, 712, 1148, 1246, 2296, 2492, 3649, 4984, 7298, 7921, 14596, 15842, 25543, 29192, 31684, 51086, 55447, 63368, 102172, 110894, 204344, 221788, 324761, 443576, 649522, 1299044, 2273327, 2598088, 4546654, 9093308, 18186616]

約数ペア:

[(1, 18186616), (2, 9093308), (4, 4546654), (7, 2598088), (8, 2273327), (14, 1299044), (28, 649522), (41, 443576), (56, 324761), (82, 221788), (89, 204344), (164, 110894), (178, 102172), (287, 63368), (328, 55447), (356, 51086), (574, 31684), (623, 29192), (712, 25543), (1148, 15842), (1246, 14596), (2296, 7921), (2492, 7298), (3649, 4984)]