19682912178

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{1901}}^1\times {\mathrm{4391}}^1$

素因数の和:6431

約数の個数: 48

約数和(自身を含む): 43004250432

約数和(自身を除く): 23321338254

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 1901, 2358, 3802, 4391, 5703, 8782, 11406, 13173, 17109, 26346, 34218, 39519, 79038, 249031, 498062, 575221, 747093, 1150442, 1494186, 1725663, 2241279, 3451326, 4482558, 5176989, 8347291, 10353978, 16694582, 25041873, 50083746, 75125619, 150251238, 1093495121, 2186990242, 3280485363, 6560970726, 9841456089, 19682912178]

約数ペア:

[(1, 19682912178), (2, 9841456089), (3, 6560970726), (6, 3280485363), (9, 2186990242), (18, 1093495121), (131, 150251238), (262, 75125619), (393, 50083746), (786, 25041873), (1179, 16694582), (1901, 10353978), (2358, 8347291), (3802, 5176989), (4391, 4482558), (5703, 3451326), (8782, 2241279), (11406, 1725663), (13173, 1494186), (17109, 1150442), (26346, 747093), (34218, 575221), (39519, 498062), (79038, 249031)]