20161804923

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{11923}}^1$

素因数の和:12188

約数の個数: 48

約数和(自身を含む): 31901469600

約数和(自身を除く): 11739664677

約数列:

[1, 3, 9, 13, 39, 97, 117, 149, 291, 447, 873, 1261, 1341, 1937, 3783, 5811, 11349, 11923, 14453, 17433, 35769, 43359, 107307, 130077, 154999, 187889, 464997, 563667, 1156531, 1394991, 1691001, 1776527, 3469593, 5329581, 10408779, 15034903, 15988743, 23094851, 45104709, 69284553, 135314127, 172323119, 207853659, 516969357, 1550908071, 2240200547, 6720601641, 20161804923]

約数ペア:

[(1, 20161804923), (3, 6720601641), (9, 2240200547), (13, 1550908071), (39, 516969357), (97, 207853659), (117, 172323119), (149, 135314127), (291, 69284553), (447, 45104709), (873, 23094851), (1261, 15988743), (1341, 15034903), (1937, 10408779), (3783, 5329581), (5811, 3469593), (11349, 1776527), (11923, 1691001), (14453, 1394991), (17433, 1156531), (35769, 563667), (43359, 464997), (107307, 187889), (130077, 154999)]