19013090

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 35354880

約数和(自身を除く): 16341790

約数列:

[1, 2, 5, 10, 61, 71, 122, 142, 305, 355, 439, 610, 710, 878, 2195, 4331, 4390, 8662, 21655, 26779, 31169, 43310, 53558, 62338, 133895, 155845, 267790, 311690, 1901309, 3802618, 9506545, 19013090]

約数ペア:

[(1, 19013090), (2, 9506545), (5, 3802618), (10, 1901309), (61, 311690), (71, 267790), (122, 155845), (142, 133895), (305, 62338), (355, 53558), (439, 43310), (610, 31169), (710, 26779), (878, 21655), (2195, 8662), (4331, 4390)]