18827900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2069}}^1$

素因数の和:2103

約数の個数: 72

約数和(自身を含む): 50309280

約数和(自身を除く): 31481380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2069, 2275, 4138, 4550, 8276, 9100, 10345, 14483, 20690, 26897, 28966, 41380, 51725, 53794, 57932, 72415, 103450, 107588, 134485, 144830, 188279, 206900, 268970, 289660, 362075, 376558, 537940, 672425, 724150, 753116, 941395, 1344850, 1448300, 1882790, 2689700, 3765580, 4706975, 9413950, 18827900]

約数ペア:

[(1, 18827900), (2, 9413950), (4, 4706975), (5, 3765580), (7, 2689700), (10, 1882790), (13, 1448300), (14, 1344850), (20, 941395), (25, 753116), (26, 724150), (28, 672425), (35, 537940), (50, 376558), (52, 362075), (65, 289660), (70, 268970), (91, 206900), (100, 188279), (130, 144830), (140, 134485), (175, 107588), (182, 103450), (260, 72415), (325, 57932), (350, 53794), (364, 51725), (455, 41380), (650, 28966), (700, 26897), (910, 20690), (1300, 14483), (1820, 10345), (2069, 9100), (2275, 8276), (4138, 4550)]