18892480

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1373}}^1$

素因数の和:1433

約数の個数: 56

約数和(自身を含む): 46067472

約数和(自身を除く): 27174992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1373, 1376, 1720, 2746, 2752, 3440, 5492, 6865, 6880, 10984, 13730, 13760, 21968, 27460, 43936, 54920, 59039, 87872, 109840, 118078, 219680, 236156, 295195, 439360, 472312, 590390, 944624, 1180780, 1889248, 2361560, 3778496, 4723120, 9446240, 18892480]

約数ペア:

[(1, 18892480), (2, 9446240), (4, 4723120), (5, 3778496), (8, 2361560), (10, 1889248), (16, 1180780), (20, 944624), (32, 590390), (40, 472312), (43, 439360), (64, 295195), (80, 236156), (86, 219680), (160, 118078), (172, 109840), (215, 87872), (320, 59039), (344, 54920), (430, 43936), (688, 27460), (860, 21968), (1373, 13760), (1376, 13730), (1720, 10984), (2746, 6880), (2752, 6865), (3440, 5492)]