19996088469

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1\times {\mathrm{34157}}^1$

素因数の和:34685

約数の個数: 32

約数和(自身を含む): 31038418176

約数和(自身を除く): 11042329707

約数列:

[1, 3, 7, 21, 61, 183, 427, 457, 1281, 1371, 3199, 9597, 27877, 34157, 83631, 102471, 195139, 239099, 585417, 717297, 2083577, 6250731, 14585039, 15609749, 43755117, 46829247, 109268243, 327804729, 952194689, 2856584067, 6665362823, 19996088469]

約数ペア:

[(1, 19996088469), (3, 6665362823), (7, 2856584067), (21, 952194689), (61, 327804729), (183, 109268243), (427, 46829247), (457, 43755117), (1281, 15609749), (1371, 14585039), (3199, 6250731), (9597, 2083577), (27877, 717297), (34157, 585417), (83631, 239099), (102471, 195139)]