19387732

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1087}}^1$

素因数の和:1125

約数の個数: 48

約数和(自身を含む): 42649600

約数和(自身を除く): 23261868

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 343, 364, 637, 686, 1087, 1274, 1372, 2174, 2548, 4348, 4459, 7609, 8918, 14131, 15218, 17836, 28262, 30436, 53263, 56524, 98917, 106526, 197834, 213052, 372841, 395668, 692419, 745682, 1384838, 1491364, 2769676, 4846933, 9693866, 19387732]

約数ペア:

[(1, 19387732), (2, 9693866), (4, 4846933), (7, 2769676), (13, 1491364), (14, 1384838), (26, 745682), (28, 692419), (49, 395668), (52, 372841), (91, 213052), (98, 197834), (182, 106526), (196, 98917), (343, 56524), (364, 53263), (637, 30436), (686, 28262), (1087, 17836), (1274, 15218), (1372, 14131), (2174, 8918), (2548, 7609), (4348, 4459)]