1939554890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{20693}}^1$

素因数の和:20823

約数の個数: 64

約数和(自身を含む): 4338786816

約数和(自身を除く): 2399231926

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 103, 130, 182, 206, 455, 515, 721, 910, 1030, 1339, 1442, 2678, 3605, 6695, 7210, 9373, 13390, 18746, 20693, 41386, 46865, 93730, 103465, 144851, 206930, 269009, 289702, 538018, 724255, 1345045, 1448510, 1883063, 2131379, 2690090, 3766126, 4262758, 9415315, 10656895, 14919653, 18830630, 21313790, 27707927, 29839306, 55415854, 74598265, 138539635, 149196530, 193955489, 277079270, 387910978, 969777445, 1939554890]

約数ペア:

[(1, 1939554890), (2, 969777445), (5, 387910978), (7, 277079270), (10, 193955489), (13, 149196530), (14, 138539635), (26, 74598265), (35, 55415854), (65, 29839306), (70, 27707927), (91, 21313790), (103, 18830630), (130, 14919653), (182, 10656895), (206, 9415315), (455, 4262758), (515, 3766126), (721, 2690090), (910, 2131379), (1030, 1883063), (1339, 1448510), (1442, 1345045), (2678, 724255), (3605, 538018), (6695, 289702), (7210, 269009), (9373, 206930), (13390, 144851), (18746, 103465), (20693, 93730), (41386, 46865)]