18989676

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{7873}}^1$

素因数の和:7950

約数の個数: 36

約数和(自身を含む): 48724312

約数和(自身を除く): 29734636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 402, 603, 804, 1206, 2412, 7873, 15746, 23619, 31492, 47238, 70857, 94476, 141714, 283428, 527491, 1054982, 1582473, 2109964, 3164946, 4747419, 6329892, 9494838, 18989676]

約数ペア:

[(1, 18989676), (2, 9494838), (3, 6329892), (4, 4747419), (6, 3164946), (9, 2109964), (12, 1582473), (18, 1054982), (36, 527491), (67, 283428), (134, 141714), (201, 94476), (268, 70857), (402, 47238), (603, 31492), (804, 23619), (1206, 15746), (2412, 7873)]