19932835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 27417600

約数和(自身を除く): 7484765

約数列:

[1, 5, 13, 23, 65, 67, 115, 199, 299, 335, 871, 995, 1495, 1541, 2587, 4355, 4577, 7705, 12935, 13333, 20033, 22885, 59501, 66665, 100165, 173329, 297505, 306659, 866645, 1533295, 3986567, 19932835]

約数ペア:

[(1, 19932835), (5, 3986567), (13, 1533295), (23, 866645), (65, 306659), (67, 297505), (115, 173329), (199, 100165), (299, 66665), (335, 59501), (871, 22885), (995, 20033), (1495, 13333), (1541, 12935), (2587, 7705), (4355, 4577)]