17900090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7247}}^1$

素因数の和:7286

約数の個数: 32

約数和(自身を含む): 36529920

約数和(自身を除く): 18629830

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 7247, 14494, 36235, 72470, 94211, 137693, 188422, 275386, 471055, 688465, 942110, 1376930, 1790009, 3580018, 8950045, 17900090]

約数ペア:

[(1, 17900090), (2, 8950045), (5, 3580018), (10, 1790009), (13, 1376930), (19, 942110), (26, 688465), (38, 471055), (65, 275386), (95, 188422), (130, 137693), (190, 94211), (247, 72470), (494, 36235), (1235, 14494), (2470, 7247)]