19551588

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{811}}^1$

素因数の和:873

約数の個数: 72

約数和(自身を含む): 54429984

約数和(自身を除く): 34878396

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 49, 82, 84, 98, 123, 147, 164, 196, 246, 287, 294, 492, 574, 588, 811, 861, 1148, 1622, 1722, 2009, 2433, 3244, 3444, 4018, 4866, 5677, 6027, 8036, 9732, 11354, 12054, 17031, 22708, 24108, 33251, 34062, 39739, 66502, 68124, 79478, 99753, 119217, 133004, 158956, 199506, 232757, 238434, 399012, 465514, 476868, 698271, 931028, 1396542, 1629299, 2793084, 3258598, 4887897, 6517196, 9775794, 19551588]

約数ペア:

[(1, 19551588), (2, 9775794), (3, 6517196), (4, 4887897), (6, 3258598), (7, 2793084), (12, 1629299), (14, 1396542), (21, 931028), (28, 698271), (41, 476868), (42, 465514), (49, 399012), (82, 238434), (84, 232757), (98, 199506), (123, 158956), (147, 133004), (164, 119217), (196, 99753), (246, 79478), (287, 68124), (294, 66502), (492, 39739), (574, 34062), (588, 33251), (811, 24108), (861, 22708), (1148, 17031), (1622, 12054), (1722, 11354), (2009, 9732), (2433, 8036), (3244, 6027), (3444, 5677), (4018, 4866)]