20181750932

素因数分解:

$2^2\times 7^3\times {\mathrm{47}}^2\times {\mathrm{6659}}^1$

素因数の和:6778

約数の個数: 72

約数和(自身を含む): 42088536000

約数和(自身を除く): 21906785068

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 329, 343, 658, 686, 1316, 1372, 2209, 2303, 4418, 4606, 6659, 8836, 9212, 13318, 15463, 16121, 26636, 30926, 32242, 46613, 61852, 64484, 93226, 108241, 186452, 216482, 312973, 326291, 432964, 625946, 652582, 757687, 1251892, 1305164, 1515374, 2190811, 2284037, 3030748, 4381622, 4568074, 8763244, 9136148, 14709731, 15335677, 29419462, 30671354, 58838924, 61342708, 102968117, 107349739, 205936234, 214699478, 411872468, 429398956, 720776819, 1441553638, 2883107276, 5045437733, 10090875466, 20181750932]

約数ペア:

[(1, 20181750932), (2, 10090875466), (4, 5045437733), (7, 2883107276), (14, 1441553638), (28, 720776819), (47, 429398956), (49, 411872468), (94, 214699478), (98, 205936234), (188, 107349739), (196, 102968117), (329, 61342708), (343, 58838924), (658, 30671354), (686, 29419462), (1316, 15335677), (1372, 14709731), (2209, 9136148), (2303, 8763244), (4418, 4568074), (4606, 4381622), (6659, 3030748), (8836, 2284037), (9212, 2190811), (13318, 1515374), (15463, 1305164), (16121, 1251892), (26636, 757687), (30926, 652582), (32242, 625946), (46613, 432964), (61852, 326291), (64484, 312973), (93226, 216482), (108241, 186452)]