19676560

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3671}}^1$

素因数の和:3751

約数の個数: 40

約数和(自身を含む): 46443456

約数和(自身を除く): 26766896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 3671, 5360, 7342, 14684, 18355, 29368, 36710, 58736, 73420, 146840, 245957, 293680, 491914, 983828, 1229785, 1967656, 2459570, 3935312, 4919140, 9838280, 19676560]

約数ペア:

[(1, 19676560), (2, 9838280), (4, 4919140), (5, 3935312), (8, 2459570), (10, 1967656), (16, 1229785), (20, 983828), (40, 491914), (67, 293680), (80, 245957), (134, 146840), (268, 73420), (335, 58736), (536, 36710), (670, 29368), (1072, 18355), (1340, 14684), (2680, 7342), (3671, 5360)]