18219872

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 39481344

約数和(自身を除く): 21261472

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 191, 271, 352, 382, 542, 764, 1084, 1528, 2101, 2168, 2981, 3056, 4202, 4336, 5962, 6112, 8404, 8672, 11924, 16808, 23848, 33616, 47696, 51761, 67232, 95392, 103522, 207044, 414088, 569371, 828176, 1138742, 1656352, 2277484, 4554968, 9109936, 18219872]

約数ペア:

[(1, 18219872), (2, 9109936), (4, 4554968), (8, 2277484), (11, 1656352), (16, 1138742), (22, 828176), (32, 569371), (44, 414088), (88, 207044), (176, 103522), (191, 95392), (271, 67232), (352, 51761), (382, 47696), (542, 33616), (764, 23848), (1084, 16808), (1528, 11924), (2101, 8672), (2168, 8404), (2981, 6112), (3056, 5962), (4202, 4336)]