19603800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{10891}}^1$

素因数の和:10913

約数の個数: 72

約数和(自身を含む): 65842140

約数和(自身を除く): 46238340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 10891, 21782, 32673, 43564, 54455, 65346, 87128, 98019, 108910, 130692, 163365, 196038, 217820, 261384, 272275, 326730, 392076, 435640, 490095, 544550, 653460, 784152, 816825, 980190, 1089100, 1306920, 1633650, 1960380, 2178200, 2450475, 3267300, 3920760, 4900950, 6534600, 9801900, 19603800]

約数ペア:

[(1, 19603800), (2, 9801900), (3, 6534600), (4, 4900950), (5, 3920760), (6, 3267300), (8, 2450475), (9, 2178200), (10, 1960380), (12, 1633650), (15, 1306920), (18, 1089100), (20, 980190), (24, 816825), (25, 784152), (30, 653460), (36, 544550), (40, 490095), (45, 435640), (50, 392076), (60, 326730), (72, 272275), (75, 261384), (90, 217820), (100, 196038), (120, 163365), (150, 130692), (180, 108910), (200, 98019), (225, 87128), (300, 65346), (360, 54455), (450, 43564), (600, 32673), (900, 21782), (1800, 10891)]