17929380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{42689}}^1$

素因数の和:42708

約数の個数: 48

約数和(自身を含む): 57375360

約数和(自身を除く): 39445980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 42689, 85378, 128067, 170756, 213445, 256134, 298823, 426890, 512268, 597646, 640335, 853780, 896469, 1195292, 1280670, 1494115, 1792938, 2561340, 2988230, 3585876, 4482345, 5976460, 8964690, 17929380]

約数ペア:

[(1, 17929380), (2, 8964690), (3, 5976460), (4, 4482345), (5, 3585876), (6, 2988230), (7, 2561340), (10, 1792938), (12, 1494115), (14, 1280670), (15, 1195292), (20, 896469), (21, 853780), (28, 640335), (30, 597646), (35, 512268), (42, 426890), (60, 298823), (70, 256134), (84, 213445), (105, 170756), (140, 128067), (210, 85378), (420, 42689)]