19838260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1861}}^1$

素因数の和:1924

約数の個数: 48

約数和(自身を含む): 45983952

約数和(自身を除く): 26145692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 1861, 2132, 2665, 3722, 5330, 7444, 9305, 10660, 18610, 24193, 37220, 48386, 76301, 96772, 120965, 152602, 241930, 305204, 381505, 483860, 763010, 991913, 1526020, 1983826, 3967652, 4959565, 9919130, 19838260]

約数ペア:

[(1, 19838260), (2, 9919130), (4, 4959565), (5, 3967652), (10, 1983826), (13, 1526020), (20, 991913), (26, 763010), (41, 483860), (52, 381505), (65, 305204), (82, 241930), (130, 152602), (164, 120965), (205, 96772), (260, 76301), (410, 48386), (533, 37220), (820, 24193), (1066, 18610), (1861, 10660), (2132, 9305), (2665, 7444), (3722, 5330)]