18187638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 43806720

約数和(自身を除く): 25619082

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 61, 62, 93, 122, 183, 186, 217, 229, 366, 427, 434, 458, 651, 687, 854, 1281, 1302, 1374, 1603, 1891, 2562, 3206, 3782, 4809, 5673, 7099, 9618, 11346, 13237, 13969, 14198, 21297, 26474, 27938, 39711, 41907, 42594, 49693, 79422, 83814, 97783, 99386, 149079, 195566, 293349, 298158, 433039, 586698, 866078, 1299117, 2598234, 3031273, 6062546, 9093819, 18187638]

約数ペア:

[(1, 18187638), (2, 9093819), (3, 6062546), (6, 3031273), (7, 2598234), (14, 1299117), (21, 866078), (31, 586698), (42, 433039), (61, 298158), (62, 293349), (93, 195566), (122, 149079), (183, 99386), (186, 97783), (217, 83814), (229, 79422), (366, 49693), (427, 42594), (434, 41907), (458, 39711), (651, 27938), (687, 26474), (854, 21297), (1281, 14198), (1302, 13969), (1374, 13237), (1603, 11346), (1891, 9618), (2562, 7099), (3206, 5673), (3782, 4809)]