18420982228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1\times {\mathrm{15289}}^1$

素因数の和:15640

約数の個数: 48

約数和(自身を含む): 35602459200

約数和(自身を除く): 17181476972

約数列:

[1, 2, 4, 11, 22, 44, 139, 197, 278, 394, 556, 788, 1529, 2167, 3058, 4334, 6116, 8668, 15289, 27383, 30578, 54766, 61156, 109532, 168179, 301213, 336358, 602426, 672716, 1204852, 2125171, 3011933, 4250342, 6023866, 8500684, 12047732, 23376881, 33131263, 46753762, 66262526, 93507524, 132525052, 418658687, 837317374, 1674634748, 4605245557, 9210491114, 18420982228]

約数ペア:

[(1, 18420982228), (2, 9210491114), (4, 4605245557), (11, 1674634748), (22, 837317374), (44, 418658687), (139, 132525052), (197, 93507524), (278, 66262526), (394, 46753762), (556, 33131263), (788, 23376881), (1529, 12047732), (2167, 8500684), (3058, 6023866), (4334, 4250342), (6116, 3011933), (8668, 2125171), (15289, 1204852), (27383, 672716), (30578, 602426), (54766, 336358), (61156, 301213), (109532, 168179)]