19042500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{2539}}^1$

素因数の和:2566

約数の個数: 60

約数和(自身を含む): 55544720

約数和(自身を除く): 36502220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 2539, 3750, 5078, 7500, 7617, 10156, 12695, 15234, 25390, 30468, 38085, 50780, 63475, 76170, 126950, 152340, 190425, 253900, 317375, 380850, 634750, 761700, 952125, 1269500, 1586875, 1904250, 3173750, 3808500, 4760625, 6347500, 9521250, 19042500]

約数ペア:

[(1, 19042500), (2, 9521250), (3, 6347500), (4, 4760625), (5, 3808500), (6, 3173750), (10, 1904250), (12, 1586875), (15, 1269500), (20, 952125), (25, 761700), (30, 634750), (50, 380850), (60, 317375), (75, 253900), (100, 190425), (125, 152340), (150, 126950), (250, 76170), (300, 63475), (375, 50780), (500, 38085), (625, 30468), (750, 25390), (1250, 15234), (1500, 12695), (1875, 10156), (2500, 7617), (2539, 7500), (3750, 5078)]