17921150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:453

約数の個数: 48

約数和(自身を含む): 36456000

約数和(自身を除く): 18534850

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 130, 158, 325, 349, 395, 650, 698, 790, 1027, 1745, 1975, 2054, 3490, 3950, 4537, 5135, 8725, 9074, 10270, 17450, 22685, 25675, 27571, 45370, 51350, 55142, 113425, 137855, 226850, 275710, 358423, 689275, 716846, 1378550, 1792115, 3584230, 8960575, 17921150]

約数ペア:

[(1, 17921150), (2, 8960575), (5, 3584230), (10, 1792115), (13, 1378550), (25, 716846), (26, 689275), (50, 358423), (65, 275710), (79, 226850), (130, 137855), (158, 113425), (325, 55142), (349, 51350), (395, 45370), (650, 27571), (698, 25675), (790, 22685), (1027, 17450), (1745, 10270), (1975, 9074), (2054, 8725), (3490, 5135), (3950, 4537)]