19105989695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2063}}^1\times {\mathrm{7499}}^1$

素因数の和:9599

約数の個数: 32

約数和(自身を含む): 26006400000

約数和(自身を除く): 6900410305

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 2063, 7499, 10315, 26819, 37495, 39197, 97487, 134095, 142481, 195985, 487435, 509561, 712405, 1852253, 2547805, 9261265, 15470437, 77352185, 201115681, 293938303, 1005578405, 1469691515, 3821197939, 19105989695]

約数ペア:

[(1, 19105989695), (5, 3821197939), (13, 1469691515), (19, 1005578405), (65, 293938303), (95, 201115681), (247, 77352185), (1235, 15470437), (2063, 9261265), (7499, 2547805), (10315, 1852253), (26819, 712405), (37495, 509561), (39197, 487435), (97487, 195985), (134095, 142481)]