19310344564

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1\times {\mathrm{491}}^1$

素因数の和:917

約数の個数: 96

約数和(自身を含む): 39928799232

約数和(自身を除く): 20618454668

約数列:

[1, 2, 4, 7, 14, 28, 71, 73, 142, 146, 271, 284, 292, 491, 497, 511, 542, 982, 994, 1022, 1084, 1897, 1964, 1988, 2044, 3437, 3794, 5183, 6874, 7588, 10366, 13748, 19241, 19783, 20732, 34861, 35843, 36281, 38482, 39566, 69722, 71686, 72562, 76964, 79132, 133061, 134687, 138481, 139444, 143372, 145124, 244027, 250901, 266122, 269374, 276962, 488054, 501802, 532244, 538748, 553924, 931427, 976108, 1003604, 1404593, 1862854, 2544853, 2809186, 3725708, 5089706, 5618372, 9447331, 9713453, 9832151, 10179412, 17813971, 18894662, 19426906, 19664302, 35627942, 37789324, 38853812, 39328604, 66131317, 67994171, 71255884, 132262634, 135988342, 264525268, 271976684, 689655163, 1379310326, 2758620652, 4827586141, 9655172282, 19310344564]

約数ペア:

[(1, 19310344564), (2, 9655172282), (4, 4827586141), (7, 2758620652), (14, 1379310326), (28, 689655163), (71, 271976684), (73, 264525268), (142, 135988342), (146, 132262634), (271, 71255884), (284, 67994171), (292, 66131317), (491, 39328604), (497, 38853812), (511, 37789324), (542, 35627942), (982, 19664302), (994, 19426906), (1022, 18894662), (1084, 17813971), (1897, 10179412), (1964, 9832151), (1988, 9713453), (2044, 9447331), (3437, 5618372), (3794, 5089706), (5183, 3725708), (6874, 2809186), (7588, 2544853), (10366, 1862854), (13748, 1404593), (19241, 1003604), (19783, 976108), (20732, 931427), (34861, 553924), (35843, 538748), (36281, 532244), (38482, 501802), (39566, 488054), (69722, 276962), (71686, 269374), (72562, 266122), (76964, 250901), (79132, 244027), (133061, 145124), (134687, 143372), (138481, 139444)]