18874638

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{241}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 43414800

約数和(自身を除く): 24540162

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 229, 241, 342, 458, 482, 687, 723, 1374, 1446, 2061, 2169, 4122, 4338, 4351, 4579, 8702, 9158, 13053, 13737, 26106, 27474, 39159, 41211, 55189, 78318, 82422, 110378, 165567, 331134, 496701, 993402, 1048591, 2097182, 3145773, 6291546, 9437319, 18874638]

約数ペア:

[(1, 18874638), (2, 9437319), (3, 6291546), (6, 3145773), (9, 2097182), (18, 1048591), (19, 993402), (38, 496701), (57, 331134), (114, 165567), (171, 110378), (229, 82422), (241, 78318), (342, 55189), (458, 41211), (482, 39159), (687, 27474), (723, 26106), (1374, 13737), (1446, 13053), (2061, 9158), (2169, 8702), (4122, 4579), (4338, 4351)]