19615280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14423}}^1$

素因数の和:14453

約数の個数: 40

約数和(自身を含む): 48291552

約数和(自身を除く): 28676272

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14423, 28846, 57692, 72115, 115384, 144230, 230768, 245191, 288460, 490382, 576920, 980764, 1153840, 1225955, 1961528, 2451910, 3923056, 4903820, 9807640, 19615280]

約数ペア:

[(1, 19615280), (2, 9807640), (4, 4903820), (5, 3923056), (8, 2451910), (10, 1961528), (16, 1225955), (17, 1153840), (20, 980764), (34, 576920), (40, 490382), (68, 288460), (80, 245191), (85, 230768), (136, 144230), (170, 115384), (272, 72115), (340, 57692), (680, 28846), (1360, 14423)]