18236470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 40144896

約数和(自身を除く): 21908426

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 47, 70, 94, 115, 161, 230, 235, 241, 322, 329, 470, 482, 658, 805, 1081, 1205, 1610, 1645, 1687, 2162, 2410, 3290, 3374, 5405, 5543, 7567, 8435, 10810, 11086, 11327, 15134, 16870, 22654, 27715, 37835, 38801, 55430, 56635, 75670, 77602, 79289, 113270, 158578, 194005, 260521, 388010, 396445, 521042, 792890, 1302605, 1823647, 2605210, 3647294, 9118235, 18236470]

約数ペア:

[(1, 18236470), (2, 9118235), (5, 3647294), (7, 2605210), (10, 1823647), (14, 1302605), (23, 792890), (35, 521042), (46, 396445), (47, 388010), (70, 260521), (94, 194005), (115, 158578), (161, 113270), (230, 79289), (235, 77602), (241, 75670), (322, 56635), (329, 55430), (470, 38801), (482, 37835), (658, 27715), (805, 22654), (1081, 16870), (1205, 15134), (1610, 11327), (1645, 11086), (1687, 10810), (2162, 8435), (2410, 7567), (3290, 5543), (3374, 5405)]