19685790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4127}}^1$

素因数の和:4193

約数の個数: 48

約数和(自身を含む): 52161408

約数和(自身を除く): 32475618

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 4127, 4770, 8254, 12381, 20635, 24762, 37143, 41270, 61905, 74286, 123810, 185715, 218731, 371430, 437462, 656193, 1093655, 1312386, 1968579, 2187310, 3280965, 3937158, 6561930, 9842895, 19685790]

約数ペア:

[(1, 19685790), (2, 9842895), (3, 6561930), (5, 3937158), (6, 3280965), (9, 2187310), (10, 1968579), (15, 1312386), (18, 1093655), (30, 656193), (45, 437462), (53, 371430), (90, 218731), (106, 185715), (159, 123810), (265, 74286), (318, 61905), (477, 41270), (530, 37143), (795, 24762), (954, 20635), (1590, 12381), (2385, 8254), (4127, 4770)]