15939378

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:328

約数の個数: 96

約数和(自身を含む): 43819776

約数和(自身を除く): 27880398

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 37, 39, 42, 63, 74, 78, 91, 111, 117, 126, 182, 222, 234, 259, 263, 273, 333, 481, 518, 526, 546, 666, 777, 789, 819, 962, 1443, 1554, 1578, 1638, 1841, 2331, 2367, 2886, 3367, 3419, 3682, 4329, 4662, 4734, 5523, 6734, 6838, 8658, 9731, 10101, 10257, 11046, 16569, 19462, 20202, 20514, 23933, 29193, 30303, 30771, 33138, 47866, 58386, 60606, 61542, 68117, 71799, 87579, 126503, 136234, 143598, 175158, 204351, 215397, 253006, 379509, 408702, 430794, 613053, 759018, 885521, 1138527, 1226106, 1771042, 2277054, 2656563, 5313126, 7969689, 15939378]

約数ペア:

[(1, 15939378), (2, 7969689), (3, 5313126), (6, 2656563), (7, 2277054), (9, 1771042), (13, 1226106), (14, 1138527), (18, 885521), (21, 759018), (26, 613053), (37, 430794), (39, 408702), (42, 379509), (63, 253006), (74, 215397), (78, 204351), (91, 175158), (111, 143598), (117, 136234), (126, 126503), (182, 87579), (222, 71799), (234, 68117), (259, 61542), (263, 60606), (273, 58386), (333, 47866), (481, 33138), (518, 30771), (526, 30303), (546, 29193), (666, 23933), (777, 20514), (789, 20202), (819, 19462), (962, 16569), (1443, 11046), (1554, 10257), (1578, 10101), (1638, 9731), (1841, 8658), (2331, 6838), (2367, 6734), (2886, 5523), (3367, 4734), (3419, 4662), (3682, 4329)]