19730490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50591}}^1$

素因数の和:50614

約数の個数: 32

約数和(自身を含む): 50996736

約数和(自身を除く): 31266246

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 50591, 101182, 151773, 252955, 303546, 505910, 657683, 758865, 1315366, 1517730, 1973049, 3288415, 3946098, 6576830, 9865245, 19730490]

約数ペア:

[(1, 19730490), (2, 9865245), (3, 6576830), (5, 3946098), (6, 3288415), (10, 1973049), (13, 1517730), (15, 1315366), (26, 758865), (30, 657683), (39, 505910), (65, 303546), (78, 252955), (130, 151773), (195, 101182), (390, 50591)]