19571085

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4999}}^1$

素因数の和:5042

約数の個数: 32

約数和(自身を含む): 36000000

約数和(自身を除く): 16428915

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 4999, 14997, 24995, 44991, 74985, 134973, 144971, 224955, 434913, 674865, 724855, 1304739, 2174565, 3914217, 6523695, 19571085]

約数ペア:

[(1, 19571085), (3, 6523695), (5, 3914217), (9, 2174565), (15, 1304739), (27, 724855), (29, 674865), (45, 434913), (87, 224955), (135, 144971), (145, 134973), (261, 74985), (435, 44991), (783, 24995), (1305, 14997), (3915, 4999)]