19822820

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 43001280

約数和(自身を除く): 23178460

約数列:

[1, 2, 4, 5, 10, 20, 59, 107, 118, 157, 214, 236, 295, 314, 428, 535, 590, 628, 785, 1070, 1180, 1570, 2140, 3140, 6313, 9263, 12626, 16799, 18526, 25252, 31565, 33598, 37052, 46315, 63130, 67196, 83995, 92630, 126260, 167990, 185260, 335980, 991141, 1982282, 3964564, 4955705, 9911410, 19822820]

約数ペア:

[(1, 19822820), (2, 9911410), (4, 4955705), (5, 3964564), (10, 1982282), (20, 991141), (59, 335980), (107, 185260), (118, 167990), (157, 126260), (214, 92630), (236, 83995), (295, 67196), (314, 63130), (428, 46315), (535, 37052), (590, 33598), (628, 31565), (785, 25252), (1070, 18526), (1180, 16799), (1570, 12626), (2140, 9263), (3140, 6313)]