19880190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:534

約数の個数: 96

約数和(自身を含む): 57822336

約数和(自身を除く): 37942146

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 43, 45, 55, 66, 86, 90, 99, 110, 129, 165, 198, 215, 258, 330, 387, 430, 467, 473, 495, 645, 774, 934, 946, 990, 1290, 1401, 1419, 1935, 2335, 2365, 2802, 2838, 3870, 4203, 4257, 4670, 4730, 5137, 7005, 7095, 8406, 8514, 10274, 14010, 14190, 15411, 20081, 21015, 21285, 25685, 30822, 40162, 42030, 42570, 46233, 51370, 60243, 77055, 92466, 100405, 120486, 154110, 180729, 200810, 220891, 231165, 301215, 361458, 441782, 462330, 602430, 662673, 903645, 1104455, 1325346, 1807290, 1988019, 2208910, 3313365, 3976038, 6626730, 9940095, 19880190]

約数ペア:

[(1, 19880190), (2, 9940095), (3, 6626730), (5, 3976038), (6, 3313365), (9, 2208910), (10, 1988019), (11, 1807290), (15, 1325346), (18, 1104455), (22, 903645), (30, 662673), (33, 602430), (43, 462330), (45, 441782), (55, 361458), (66, 301215), (86, 231165), (90, 220891), (99, 200810), (110, 180729), (129, 154110), (165, 120486), (198, 100405), (215, 92466), (258, 77055), (330, 60243), (387, 51370), (430, 46233), (467, 42570), (473, 42030), (495, 40162), (645, 30822), (774, 25685), (934, 21285), (946, 21015), (990, 20081), (1290, 15411), (1401, 14190), (1419, 14010), (1935, 10274), (2335, 8514), (2365, 8406), (2802, 7095), (2838, 7005), (3870, 5137), (4203, 4730), (4257, 4670)]