19686795

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 13214325

約数列:

[1, 3, 5, 15, 29, 87, 145, 167, 271, 435, 501, 813, 835, 1355, 2505, 4065, 4843, 7859, 14529, 23577, 24215, 39295, 45257, 72645, 117885, 135771, 226285, 678855, 1312453, 3937359, 6562265, 19686795]

約数ペア:

[(1, 19686795), (3, 6562265), (5, 3937359), (15, 1312453), (29, 678855), (87, 226285), (145, 135771), (167, 117885), (271, 72645), (435, 45257), (501, 39295), (813, 24215), (835, 23577), (1355, 14529), (2505, 7859), (4065, 4843)]