18716480

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2543}}^1$

素因数の和:2583

約数の個数: 56

約数和(自身を含む): 46524672

約数和(自身を除く): 27808192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 2543, 3680, 5086, 7360, 10172, 12715, 20344, 25430, 40688, 50860, 58489, 81376, 101720, 116978, 162752, 203440, 233956, 292445, 406880, 467912, 584890, 813760, 935824, 1169780, 1871648, 2339560, 3743296, 4679120, 9358240, 18716480]

約数ペア:

[(1, 18716480), (2, 9358240), (4, 4679120), (5, 3743296), (8, 2339560), (10, 1871648), (16, 1169780), (20, 935824), (23, 813760), (32, 584890), (40, 467912), (46, 406880), (64, 292445), (80, 233956), (92, 203440), (115, 162752), (160, 116978), (184, 101720), (230, 81376), (320, 58489), (368, 50860), (460, 40688), (736, 25430), (920, 20344), (1472, 12715), (1840, 10172), (2543, 7360), (3680, 5086)]