17821960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34273}}^1$

素因数の和:34297

約数の個数: 32

約数和(自身を含む): 43185240

約数和(自身を除く): 25363280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 34273, 68546, 137092, 171365, 274184, 342730, 445549, 685460, 891098, 1370920, 1782196, 2227745, 3564392, 4455490, 8910980, 17821960]

約数ペア:

[(1, 17821960), (2, 8910980), (4, 4455490), (5, 3564392), (8, 2227745), (10, 1782196), (13, 1370920), (20, 891098), (26, 685460), (40, 445549), (52, 342730), (65, 274184), (104, 171365), (130, 137092), (260, 68546), (520, 34273)]