18080748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 52680992

約数和(自身を除く): 34600244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 457, 471, 628, 914, 942, 1099, 1371, 1413, 1828, 1884, 2198, 2742, 2826, 3199, 3297, 4113, 4396, 5484, 5652, 6398, 6594, 8226, 9597, 9891, 12796, 13188, 16452, 19194, 19782, 28791, 38388, 39564, 57582, 71749, 115164, 143498, 215247, 286996, 430494, 502243, 645741, 860988, 1004486, 1291482, 1506729, 2008972, 2582964, 3013458, 4520187, 6026916, 9040374, 18080748]

約数ペア:

[(1, 18080748), (2, 9040374), (3, 6026916), (4, 4520187), (6, 3013458), (7, 2582964), (9, 2008972), (12, 1506729), (14, 1291482), (18, 1004486), (21, 860988), (28, 645741), (36, 502243), (42, 430494), (63, 286996), (84, 215247), (126, 143498), (157, 115164), (252, 71749), (314, 57582), (457, 39564), (471, 38388), (628, 28791), (914, 19782), (942, 19194), (1099, 16452), (1371, 13188), (1413, 12796), (1828, 9891), (1884, 9597), (2198, 8226), (2742, 6594), (2826, 6398), (3199, 5652), (3297, 5484), (4113, 4396)]