17929990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1289}}^1$

素因数の和:1416

約数の個数: 32

約数和(自身を含む): 35108640

約数和(自身を除く): 17178650

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 214, 535, 1070, 1289, 1391, 2578, 2782, 6445, 6955, 12890, 13910, 16757, 33514, 83785, 137923, 167570, 275846, 689615, 1379230, 1792999, 3585998, 8964995, 17929990]

約数ペア:

[(1, 17929990), (2, 8964995), (5, 3585998), (10, 1792999), (13, 1379230), (26, 689615), (65, 275846), (107, 167570), (130, 137923), (214, 83785), (535, 33514), (1070, 16757), (1289, 13910), (1391, 12890), (2578, 6955), (2782, 6445)]