19932952

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1399}}^1$

素因数の和:1555

約数の個数: 32

約数和(自身を含む): 40572000

約数和(自身を除く): 20639048

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 137, 274, 548, 1096, 1399, 1781, 2798, 3562, 5596, 7124, 11192, 14248, 18187, 36374, 72748, 145496, 191663, 383326, 766652, 1533304, 2491619, 4983238, 9966476, 19932952]

約数ペア:

[(1, 19932952), (2, 9966476), (4, 4983238), (8, 2491619), (13, 1533304), (26, 766652), (52, 383326), (104, 191663), (137, 145496), (274, 72748), (548, 36374), (1096, 18187), (1399, 14248), (1781, 11192), (2798, 7124), (3562, 5596)]