18888900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{797}}^1$

素因数の和:893

約数の個数: 72

約数和(自身を含む): 55413120

約数和(自身を除く): 36524220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 79, 100, 150, 158, 237, 300, 316, 395, 474, 790, 797, 948, 1185, 1580, 1594, 1975, 2370, 2391, 3188, 3950, 3985, 4740, 4782, 5925, 7900, 7970, 9564, 11850, 11955, 15940, 19925, 23700, 23910, 39850, 47820, 59775, 62963, 79700, 119550, 125926, 188889, 239100, 251852, 314815, 377778, 629630, 755556, 944445, 1259260, 1574075, 1888890, 3148150, 3777780, 4722225, 6296300, 9444450, 18888900]

約数ペア:

[(1, 18888900), (2, 9444450), (3, 6296300), (4, 4722225), (5, 3777780), (6, 3148150), (10, 1888890), (12, 1574075), (15, 1259260), (20, 944445), (25, 755556), (30, 629630), (50, 377778), (60, 314815), (75, 251852), (79, 239100), (100, 188889), (150, 125926), (158, 119550), (237, 79700), (300, 62963), (316, 59775), (395, 47820), (474, 39850), (790, 23910), (797, 23700), (948, 19925), (1185, 15940), (1580, 11955), (1594, 11850), (1975, 9564), (2370, 7970), (2391, 7900), (3188, 5925), (3950, 4782), (3985, 4740)]