18040272

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 49758720

約数和(自身を除く): 31718448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 131, 151, 152, 228, 262, 302, 304, 393, 453, 456, 524, 604, 786, 906, 912, 1048, 1208, 1572, 1812, 2096, 2416, 2489, 2869, 3144, 3624, 4978, 5738, 6288, 7248, 7467, 8607, 9956, 11476, 14934, 17214, 19781, 19912, 22952, 29868, 34428, 39562, 39824, 45904, 59343, 59736, 68856, 79124, 118686, 119472, 137712, 158248, 237372, 316496, 375839, 474744, 751678, 949488, 1127517, 1503356, 2255034, 3006712, 4510068, 6013424, 9020136, 18040272]

約数ペア:

[(1, 18040272), (2, 9020136), (3, 6013424), (4, 4510068), (6, 3006712), (8, 2255034), (12, 1503356), (16, 1127517), (19, 949488), (24, 751678), (38, 474744), (48, 375839), (57, 316496), (76, 237372), (114, 158248), (131, 137712), (151, 119472), (152, 118686), (228, 79124), (262, 68856), (302, 59736), (304, 59343), (393, 45904), (453, 39824), (456, 39562), (524, 34428), (604, 29868), (786, 22952), (906, 19912), (912, 19781), (1048, 17214), (1208, 14934), (1572, 11476), (1812, 9956), (2096, 8607), (2416, 7467), (2489, 7248), (2869, 6288), (3144, 5738), (3624, 4978)]