18161164

素因数分解:

$2^2\times 7^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 60

約数和(自身を含む): 38900288

約数和(自身を除く): 20739124

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 61, 62, 98, 122, 124, 196, 217, 244, 343, 427, 434, 686, 854, 868, 1372, 1519, 1708, 1891, 2401, 2989, 3038, 3782, 4802, 5978, 6076, 7564, 9604, 10633, 11956, 13237, 20923, 21266, 26474, 41846, 42532, 52948, 74431, 83692, 92659, 146461, 148862, 185318, 292922, 297724, 370636, 585844, 648613, 1297226, 2594452, 4540291, 9080582, 18161164]

約数ペア:

[(1, 18161164), (2, 9080582), (4, 4540291), (7, 2594452), (14, 1297226), (28, 648613), (31, 585844), (49, 370636), (61, 297724), (62, 292922), (98, 185318), (122, 148862), (124, 146461), (196, 92659), (217, 83692), (244, 74431), (343, 52948), (427, 42532), (434, 41846), (686, 26474), (854, 21266), (868, 20923), (1372, 13237), (1519, 11956), (1708, 10633), (1891, 9604), (2401, 7564), (2989, 6076), (3038, 5978), (3782, 4802)]