19326780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 65729664

約数和(自身を除く): 46402884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 43, 44, 45, 55, 60, 66, 86, 90, 99, 110, 129, 132, 165, 172, 180, 198, 215, 220, 227, 258, 330, 387, 396, 430, 454, 473, 495, 516, 645, 660, 681, 774, 860, 908, 946, 990, 1135, 1290, 1362, 1419, 1548, 1892, 1935, 1980, 2043, 2270, 2365, 2497, 2580, 2724, 2838, 3405, 3870, 4086, 4257, 4540, 4730, 4994, 5676, 6810, 7095, 7491, 7740, 8172, 8514, 9460, 9761, 9988, 10215, 12485, 13620, 14190, 14982, 17028, 19522, 20430, 21285, 22473, 24970, 28380, 29283, 29964, 37455, 39044, 40860, 42570, 44946, 48805, 49940, 58566, 74910, 85140, 87849, 89892, 97610, 107371, 112365, 117132, 146415, 149820, 175698, 195220, 214742, 224730, 292830, 322113, 351396, 429484, 439245, 449460, 536855, 585660, 644226, 878490, 966339, 1073710, 1288452, 1610565, 1756980, 1932678, 2147420, 3221130, 3865356, 4831695, 6442260, 9663390, 19326780]

約数ペア:

[(1, 19326780), (2, 9663390), (3, 6442260), (4, 4831695), (5, 3865356), (6, 3221130), (9, 2147420), (10, 1932678), (11, 1756980), (12, 1610565), (15, 1288452), (18, 1073710), (20, 966339), (22, 878490), (30, 644226), (33, 585660), (36, 536855), (43, 449460), (44, 439245), (45, 429484), (55, 351396), (60, 322113), (66, 292830), (86, 224730), (90, 214742), (99, 195220), (110, 175698), (129, 149820), (132, 146415), (165, 117132), (172, 112365), (180, 107371), (198, 97610), (215, 89892), (220, 87849), (227, 85140), (258, 74910), (330, 58566), (387, 49940), (396, 48805), (430, 44946), (454, 42570), (473, 40860), (495, 39044), (516, 37455), (645, 29964), (660, 29283), (681, 28380), (774, 24970), (860, 22473), (908, 21285), (946, 20430), (990, 19522), (1135, 17028), (1290, 14982), (1362, 14190), (1419, 13620), (1548, 12485), (1892, 10215), (1935, 9988), (1980, 9761), (2043, 9460), (2270, 8514), (2365, 8172), (2497, 7740), (2580, 7491), (2724, 7095), (2838, 6810), (3405, 5676), (3870, 4994), (4086, 4730), (4257, 4540)]