18687426

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{509}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 38923200

約数和(自身を除く): 20235774

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 211, 422, 509, 633, 1018, 1266, 1527, 3054, 6119, 12238, 14761, 18357, 29522, 36714, 44283, 88566, 107399, 214798, 322197, 644394, 3114571, 6229142, 9343713, 18687426]

約数ペア:

[(1, 18687426), (2, 9343713), (3, 6229142), (6, 3114571), (29, 644394), (58, 322197), (87, 214798), (174, 107399), (211, 88566), (422, 44283), (509, 36714), (633, 29522), (1018, 18357), (1266, 14761), (1527, 12238), (3054, 6119)]