19115980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73523}}^1$

素因数の和:73545

約数の個数: 24

約数和(自身を含む): 43232112

約数和(自身を除く): 24116132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73523, 147046, 294092, 367615, 735230, 955799, 1470460, 1911598, 3823196, 4778995, 9557990, 19115980]

約数ペア:

[(1, 19115980), (2, 9557990), (4, 4778995), (5, 3823196), (10, 1911598), (13, 1470460), (20, 955799), (26, 735230), (52, 367615), (65, 294092), (130, 147046), (260, 73523)]