18051747

素因数分解:

$3^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 28684800

約数和(自身を除く): 10633053

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 331, 343, 371, 993, 1029, 1113, 2317, 2597, 6951, 7791, 16219, 17543, 18179, 48657, 52629, 54537, 113533, 122801, 340599, 368403, 859607, 2578821, 6017249, 18051747]

約数ペア:

[(1, 18051747), (3, 6017249), (7, 2578821), (21, 859607), (49, 368403), (53, 340599), (147, 122801), (159, 113533), (331, 54537), (343, 52629), (371, 48657), (993, 18179), (1029, 17543), (1113, 16219), (2317, 7791), (2597, 6951)]