19709340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{281}}^1$

素因数の和:467

約数の個数: 96

約数和(自身を含む): 63673344

約数和(自身を除く): 43964004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 167, 210, 281, 334, 420, 501, 562, 668, 835, 843, 1002, 1124, 1169, 1405, 1670, 1686, 1967, 2004, 2338, 2505, 2810, 3340, 3372, 3507, 3934, 4215, 4676, 5010, 5620, 5845, 5901, 7014, 7868, 8430, 9835, 10020, 11690, 11802, 14028, 16860, 17535, 19670, 23380, 23604, 29505, 35070, 39340, 46927, 59010, 70140, 93854, 118020, 140781, 187708, 234635, 281562, 328489, 469270, 563124, 656978, 703905, 938540, 985467, 1313956, 1407810, 1642445, 1970934, 2815620, 3284890, 3941868, 4927335, 6569780, 9854670, 19709340]

約数ペア:

[(1, 19709340), (2, 9854670), (3, 6569780), (4, 4927335), (5, 3941868), (6, 3284890), (7, 2815620), (10, 1970934), (12, 1642445), (14, 1407810), (15, 1313956), (20, 985467), (21, 938540), (28, 703905), (30, 656978), (35, 563124), (42, 469270), (60, 328489), (70, 281562), (84, 234635), (105, 187708), (140, 140781), (167, 118020), (210, 93854), (281, 70140), (334, 59010), (420, 46927), (501, 39340), (562, 35070), (668, 29505), (835, 23604), (843, 23380), (1002, 19670), (1124, 17535), (1169, 16860), (1405, 14028), (1670, 11802), (1686, 11690), (1967, 10020), (2004, 9835), (2338, 8430), (2505, 7868), (2810, 7014), (3340, 5901), (3372, 5845), (3507, 5620), (3934, 5010), (4215, 4676)]