19317280

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{769}}^1$

素因数の和:941

約数の個数: 48

約数和(自身を含む): 45987480

約数和(自身を除く): 26670200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 769, 785, 1256, 1538, 1570, 2512, 3076, 3140, 3845, 5024, 6152, 6280, 7690, 12304, 12560, 15380, 24608, 25120, 30760, 61520, 120733, 123040, 241466, 482932, 603665, 965864, 1207330, 1931728, 2414660, 3863456, 4829320, 9658640, 19317280]

約数ペア:

[(1, 19317280), (2, 9658640), (4, 4829320), (5, 3863456), (8, 2414660), (10, 1931728), (16, 1207330), (20, 965864), (32, 603665), (40, 482932), (80, 241466), (157, 123040), (160, 120733), (314, 61520), (628, 30760), (769, 25120), (785, 24608), (1256, 15380), (1538, 12560), (1570, 12304), (2512, 7690), (3076, 6280), (3140, 6152), (3845, 5024)]