19776315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2741}}^1$

素因数の和:2799

約数の個数: 32

約数和(自身を含む): 35009856

約数和(自身を除く): 15233541

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 2741, 7215, 8223, 13705, 35633, 41115, 101417, 106899, 178165, 304251, 507085, 534495, 1318421, 1521255, 3955263, 6592105, 19776315]

約数ペア:

[(1, 19776315), (3, 6592105), (5, 3955263), (13, 1521255), (15, 1318421), (37, 534495), (39, 507085), (65, 304251), (111, 178165), (185, 106899), (195, 101417), (481, 41115), (555, 35633), (1443, 13705), (2405, 8223), (2741, 7215)]