19378450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4259}}^1$

素因数の和:4291

約数の個数: 48

約数和(自身を含む): 44372160

約数和(自身を除く): 24993710

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4259, 4550, 8518, 21295, 29813, 42590, 55367, 59626, 106475, 110734, 149065, 212950, 276835, 298130, 387569, 553670, 745325, 775138, 1384175, 1490650, 1937845, 2768350, 3875690, 9689225, 19378450]

約数ペア:

[(1, 19378450), (2, 9689225), (5, 3875690), (7, 2768350), (10, 1937845), (13, 1490650), (14, 1384175), (25, 775138), (26, 745325), (35, 553670), (50, 387569), (65, 298130), (70, 276835), (91, 212950), (130, 149065), (175, 110734), (182, 106475), (325, 59626), (350, 55367), (455, 42590), (650, 29813), (910, 21295), (2275, 8518), (4259, 4550)]