19012890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48751}}^1$

素因数の和:48774

約数の個数: 32

約数和(自身を含む): 49142016

約数和(自身を除く): 30129126

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 48751, 97502, 146253, 243755, 292506, 487510, 633763, 731265, 1267526, 1462530, 1901289, 3168815, 3802578, 6337630, 9506445, 19012890]

約数ペア:

[(1, 19012890), (2, 9506445), (3, 6337630), (5, 3802578), (6, 3168815), (10, 1901289), (13, 1462530), (15, 1267526), (26, 731265), (30, 633763), (39, 487510), (65, 292506), (78, 243755), (130, 146253), (195, 97502), (390, 48751)]