19580990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13693}}^1$

素因数の和:13724

約数の個数: 32

約数和(自身を含む): 41410656

約数和(自身を除く): 21829666

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 13693, 27386, 68465, 136930, 150623, 178009, 301246, 356018, 753115, 890045, 1506230, 1780090, 1958099, 3916198, 9790495, 19580990]

約数ペア:

[(1, 19580990), (2, 9790495), (5, 3916198), (10, 1958099), (11, 1780090), (13, 1506230), (22, 890045), (26, 753115), (55, 356018), (65, 301246), (110, 178009), (130, 150623), (143, 136930), (286, 68465), (715, 27386), (1430, 13693)]