19399458

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3407}}^1$

素因数の和:3498

約数の個数: 32

約数和(自身を含む): 42368256

約数和(自身を除く): 22968798

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 146, 219, 438, 949, 1898, 2847, 3407, 5694, 6814, 10221, 20442, 44291, 88582, 132873, 248711, 265746, 497422, 746133, 1492266, 3233243, 6466486, 9699729, 19399458]

約数ペア:

[(1, 19399458), (2, 9699729), (3, 6466486), (6, 3233243), (13, 1492266), (26, 746133), (39, 497422), (73, 265746), (78, 248711), (146, 132873), (219, 88582), (438, 44291), (949, 20442), (1898, 10221), (2847, 6814), (3407, 5694)]