18387468

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{787}}^1$

素因数の和:867

約数の個数: 72

約数和(自身を含む): 51629760

約数和(自身を除く): 33242292

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 59, 66, 99, 118, 132, 177, 198, 236, 354, 396, 531, 649, 708, 787, 1062, 1298, 1574, 1947, 2124, 2361, 2596, 3148, 3894, 4722, 5841, 7083, 7788, 8657, 9444, 11682, 14166, 17314, 23364, 25971, 28332, 34628, 46433, 51942, 77913, 92866, 103884, 139299, 155826, 185732, 278598, 311652, 417897, 510763, 557196, 835794, 1021526, 1532289, 1671588, 2043052, 3064578, 4596867, 6129156, 9193734, 18387468]

約数ペア:

[(1, 18387468), (2, 9193734), (3, 6129156), (4, 4596867), (6, 3064578), (9, 2043052), (11, 1671588), (12, 1532289), (18, 1021526), (22, 835794), (33, 557196), (36, 510763), (44, 417897), (59, 311652), (66, 278598), (99, 185732), (118, 155826), (132, 139299), (177, 103884), (198, 92866), (236, 77913), (354, 51942), (396, 46433), (531, 34628), (649, 28332), (708, 25971), (787, 23364), (1062, 17314), (1298, 14166), (1574, 11682), (1947, 9444), (2124, 8657), (2361, 7788), (2596, 7083), (3148, 5841), (3894, 4722)]