19903415615

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{331}}^1\times {\mathrm{1709}}^1$

素因数の和:2303

約数の個数: 32

約数和(自身を含む): 24852510720

約数和(自身を除く): 4949095105

約数列:

[1, 5, 31, 155, 227, 331, 1135, 1655, 1709, 7037, 8545, 10261, 35185, 51305, 52979, 75137, 264895, 375685, 387943, 565679, 1939715, 2329247, 2828395, 11646235, 12026233, 17536049, 60131165, 87680245, 128409133, 642045665, 3980683123, 19903415615]

約数ペア:

[(1, 19903415615), (5, 3980683123), (31, 642045665), (155, 128409133), (227, 87680245), (331, 60131165), (1135, 17536049), (1655, 12026233), (1709, 11646235), (7037, 2828395), (8545, 2329247), (10261, 1939715), (35185, 565679), (51305, 387943), (52979, 375685), (75137, 264895)]