19837810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1913}}^1$

素因数の和:1998

約数の個数: 32

約数和(自身を含む): 38448432

約数和(自身を除く): 18610622

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 610, 1037, 1913, 2074, 3826, 5185, 9565, 10370, 19130, 32521, 65042, 116693, 162605, 233386, 325210, 583465, 1166930, 1983781, 3967562, 9918905, 19837810]

約数ペア:

[(1, 19837810), (2, 9918905), (5, 3967562), (10, 1983781), (17, 1166930), (34, 583465), (61, 325210), (85, 233386), (122, 162605), (170, 116693), (305, 65042), (610, 32521), (1037, 19130), (1913, 10370), (2074, 9565), (3826, 5185)]