18335680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5209}}^1$

素因数の和:5237

約数の個数: 56

約数和(自身を含む): 47640240

約数和(自身を除く): 29304560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5209, 10418, 20836, 26045, 41672, 52090, 57299, 83344, 104180, 114598, 166688, 208360, 229196, 286495, 333376, 416720, 458392, 572990, 833440, 916784, 1145980, 1666880, 1833568, 2291960, 3667136, 4583920, 9167840, 18335680]

約数ペア:

[(1, 18335680), (2, 9167840), (4, 4583920), (5, 3667136), (8, 2291960), (10, 1833568), (11, 1666880), (16, 1145980), (20, 916784), (22, 833440), (32, 572990), (40, 458392), (44, 416720), (55, 333376), (64, 286495), (80, 229196), (88, 208360), (110, 166688), (160, 114598), (176, 104180), (220, 83344), (320, 57299), (352, 52090), (440, 41672), (704, 26045), (880, 20836), (1760, 10418), (3520, 5209)]