19623205

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 28016640

約数和(自身を除く): 8393435

約数列:

[1, 5, 7, 35, 47, 79, 151, 235, 329, 395, 553, 755, 1057, 1645, 2765, 3713, 5285, 7097, 11929, 18565, 25991, 35485, 49679, 59645, 83503, 129955, 248395, 417515, 560663, 2803315, 3924641, 19623205]

約数ペア:

[(1, 19623205), (5, 3924641), (7, 2803315), (35, 560663), (47, 417515), (79, 248395), (151, 129955), (235, 83503), (329, 59645), (395, 49679), (553, 35485), (755, 25991), (1057, 18565), (1645, 11929), (2765, 7097), (3713, 5285)]