19371625

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 30146688

約数和(自身を除く): 10775063

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 131, 169, 175, 325, 455, 655, 845, 875, 917, 1183, 1625, 1703, 2275, 3275, 4225, 4585, 5915, 8515, 11375, 11921, 16375, 21125, 22139, 22925, 29575, 42575, 59605, 110695, 114625, 147875, 154973, 212875, 298025, 553475, 774865, 1490125, 2767375, 3874325, 19371625]

約数ペア:

[(1, 19371625), (5, 3874325), (7, 2767375), (13, 1490125), (25, 774865), (35, 553475), (65, 298025), (91, 212875), (125, 154973), (131, 147875), (169, 114625), (175, 110695), (325, 59605), (455, 42575), (655, 29575), (845, 22925), (875, 22139), (917, 21125), (1183, 16375), (1625, 11921), (1703, 11375), (2275, 8515), (3275, 5915), (4225, 4585)]