18115904

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:463

約数の個数: 56

約数和(自身を含む): 38819328

約数和(自身を除く): 20703424

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 184, 248, 368, 397, 496, 713, 736, 794, 992, 1426, 1472, 1588, 1984, 2852, 3176, 5704, 6352, 9131, 11408, 12307, 12704, 18262, 22816, 24614, 25408, 36524, 45632, 49228, 73048, 98456, 146096, 196912, 283061, 292192, 393824, 566122, 584384, 787648, 1132244, 2264488, 4528976, 9057952, 18115904]

約数ペア:

[(1, 18115904), (2, 9057952), (4, 4528976), (8, 2264488), (16, 1132244), (23, 787648), (31, 584384), (32, 566122), (46, 393824), (62, 292192), (64, 283061), (92, 196912), (124, 146096), (184, 98456), (248, 73048), (368, 49228), (397, 45632), (496, 36524), (713, 25408), (736, 24614), (794, 22816), (992, 18262), (1426, 12704), (1472, 12307), (1588, 11408), (1984, 9131), (2852, 6352), (3176, 5704)]