18502288

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^2$

素因数の和:192

約数の個数: 60

約数和(自身を含む): 42878208

約数和(自身を除く): 24375920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 73, 112, 124, 146, 217, 248, 292, 434, 496, 511, 584, 868, 1022, 1168, 1736, 2044, 2263, 3472, 4088, 4526, 5329, 8176, 9052, 10658, 15841, 18104, 21316, 31682, 36208, 37303, 42632, 63364, 74606, 85264, 126728, 149212, 165199, 253456, 298424, 330398, 596848, 660796, 1156393, 1321592, 2312786, 2643184, 4625572, 9251144, 18502288]

約数ペア:

[(1, 18502288), (2, 9251144), (4, 4625572), (7, 2643184), (8, 2312786), (14, 1321592), (16, 1156393), (28, 660796), (31, 596848), (56, 330398), (62, 298424), (73, 253456), (112, 165199), (124, 149212), (146, 126728), (217, 85264), (248, 74606), (292, 63364), (434, 42632), (496, 37303), (511, 36208), (584, 31682), (868, 21316), (1022, 18104), (1168, 15841), (1736, 10658), (2044, 9052), (2263, 8176), (3472, 5329), (4088, 4526)]