22811590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 44439840

約数和(自身を除く): 21628250

約数列:

[1, 2, 5, 10, 19, 38, 71, 89, 95, 142, 178, 190, 355, 361, 445, 710, 722, 890, 1349, 1691, 1805, 2698, 3382, 3610, 6319, 6745, 8455, 12638, 13490, 16910, 25631, 31595, 32129, 51262, 63190, 64258, 120061, 128155, 160645, 240122, 256310, 321290, 600305, 1200610, 2281159, 4562318, 11405795, 22811590]

約数ペア:

[(1, 22811590), (2, 11405795), (5, 4562318), (10, 2281159), (19, 1200610), (38, 600305), (71, 321290), (89, 256310), (95, 240122), (142, 160645), (178, 128155), (190, 120061), (355, 64258), (361, 63190), (445, 51262), (710, 32129), (722, 31595), (890, 25631), (1349, 16910), (1691, 13490), (1805, 12638), (2698, 8455), (3382, 6745), (3610, 6319)]