18679450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 37319040

約数和(自身を除く): 18639590

約数列:

[1, 2, 5, 10, 23, 25, 37, 46, 50, 74, 115, 185, 230, 370, 439, 575, 851, 878, 925, 1150, 1702, 1850, 2195, 4255, 4390, 8510, 10097, 10975, 16243, 20194, 21275, 21950, 32486, 42550, 50485, 81215, 100970, 162430, 252425, 373589, 406075, 504850, 747178, 812150, 1867945, 3735890, 9339725, 18679450]

約数ペア:

[(1, 18679450), (2, 9339725), (5, 3735890), (10, 1867945), (23, 812150), (25, 747178), (37, 504850), (46, 406075), (50, 373589), (74, 252425), (115, 162430), (185, 100970), (230, 81215), (370, 50485), (439, 42550), (575, 32486), (851, 21950), (878, 21275), (925, 20194), (1150, 16243), (1702, 10975), (1850, 10097), (2195, 8510), (4255, 4390)]