18128994

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3469}}^1$

素因数の和:3554

約数の個数: 32

約数和(自身を含む): 39641280

約数和(自身を除く): 21512286

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 3469, 5226, 6938, 10407, 20814, 45097, 90194, 135291, 232423, 270582, 464846, 697269, 1394538, 3021499, 6042998, 9064497, 18128994]

約数ペア:

[(1, 18128994), (2, 9064497), (3, 6042998), (6, 3021499), (13, 1394538), (26, 697269), (39, 464846), (67, 270582), (78, 232423), (134, 135291), (201, 90194), (402, 45097), (871, 20814), (1742, 10407), (2613, 6938), (3469, 5226)]