19941350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2789}}^1$

素因数の和:2825

約数の個数: 48

約数和(自身を含む): 43590960

約数和(自身を除く): 23649610

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 2789, 3575, 5578, 7150, 13945, 27890, 30679, 36257, 61358, 69725, 72514, 139450, 153395, 181285, 306790, 362570, 398827, 766975, 797654, 906425, 1533950, 1812850, 1994135, 3988270, 9970675, 19941350]

約数ペア:

[(1, 19941350), (2, 9970675), (5, 3988270), (10, 1994135), (11, 1812850), (13, 1533950), (22, 906425), (25, 797654), (26, 766975), (50, 398827), (55, 362570), (65, 306790), (110, 181285), (130, 153395), (143, 139450), (275, 72514), (286, 69725), (325, 61358), (550, 36257), (650, 30679), (715, 27890), (1430, 13945), (2789, 7150), (3575, 5578)]