19649370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50383}}^1$

素因数の和:50406

約数の個数: 32

約数和(自身を含む): 50787072

約数和(自身を除く): 31137702

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 50383, 100766, 151149, 251915, 302298, 503830, 654979, 755745, 1309958, 1511490, 1964937, 3274895, 3929874, 6549790, 9824685, 19649370]

約数ペア:

[(1, 19649370), (2, 9824685), (3, 6549790), (5, 3929874), (6, 3274895), (10, 1964937), (13, 1511490), (15, 1309958), (26, 755745), (30, 654979), (39, 503830), (65, 302298), (78, 251915), (130, 151149), (195, 100766), (390, 50383)]