18124708

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 40346880

約数和(自身を除く): 22222172

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 49, 62, 76, 98, 124, 133, 157, 196, 217, 266, 314, 434, 532, 589, 628, 868, 931, 1099, 1178, 1519, 1862, 2198, 2356, 2983, 3038, 3724, 4123, 4396, 4867, 5966, 6076, 7693, 8246, 9734, 11932, 15386, 16492, 19468, 20881, 28861, 30772, 34069, 41762, 57722, 68138, 83524, 92473, 115444, 136276, 146167, 184946, 238483, 292334, 369892, 476966, 584668, 647311, 953932, 1294622, 2589244, 4531177, 9062354, 18124708]

約数ペア:

[(1, 18124708), (2, 9062354), (4, 4531177), (7, 2589244), (14, 1294622), (19, 953932), (28, 647311), (31, 584668), (38, 476966), (49, 369892), (62, 292334), (76, 238483), (98, 184946), (124, 146167), (133, 136276), (157, 115444), (196, 92473), (217, 83524), (266, 68138), (314, 57722), (434, 41762), (532, 34069), (589, 30772), (628, 28861), (868, 20881), (931, 19468), (1099, 16492), (1178, 15386), (1519, 11932), (1862, 9734), (2198, 8246), (2356, 7693), (2983, 6076), (3038, 5966), (3724, 4867), (4123, 4396)]