19982802

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 47775744

約数和(自身を除く): 27792942

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 53, 94, 106, 141, 159, 191, 282, 318, 329, 371, 382, 573, 658, 742, 987, 1113, 1146, 1337, 1974, 2226, 2491, 2674, 4011, 4982, 7473, 8022, 8977, 10123, 14946, 17437, 17954, 20246, 26931, 30369, 34874, 52311, 53862, 60738, 62839, 70861, 104622, 125678, 141722, 188517, 212583, 377034, 425166, 475781, 951562, 1427343, 2854686, 3330467, 6660934, 9991401, 19982802]

約数ペア:

[(1, 19982802), (2, 9991401), (3, 6660934), (6, 3330467), (7, 2854686), (14, 1427343), (21, 951562), (42, 475781), (47, 425166), (53, 377034), (94, 212583), (106, 188517), (141, 141722), (159, 125678), (191, 104622), (282, 70861), (318, 62839), (329, 60738), (371, 53862), (382, 52311), (573, 34874), (658, 30369), (742, 26931), (987, 20246), (1113, 17954), (1146, 17437), (1337, 14946), (1974, 10123), (2226, 8977), (2491, 8022), (2674, 7473), (4011, 4982)]