19309878

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{463}}^1$

素因数の和:809

約数の個数: 48

約数和(自身を含む): 48062976

約数和(自身を除く): 28753098

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 331, 463, 662, 926, 993, 1389, 1986, 2317, 2778, 2979, 3241, 4167, 4634, 5958, 6482, 6951, 8334, 9723, 13902, 19446, 20853, 29169, 41706, 58338, 153253, 306506, 459759, 919518, 1072771, 1379277, 2145542, 2758554, 3218313, 6436626, 9654939, 19309878]

約数ペア:

[(1, 19309878), (2, 9654939), (3, 6436626), (6, 3218313), (7, 2758554), (9, 2145542), (14, 1379277), (18, 1072771), (21, 919518), (42, 459759), (63, 306506), (126, 153253), (331, 58338), (463, 41706), (662, 29169), (926, 20853), (993, 19446), (1389, 13902), (1986, 9723), (2317, 8334), (2778, 6951), (2979, 6482), (3241, 5958), (4167, 4634)]