19958156955

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{937663}}^1$

素因数の和:937728

約数の個数: 48

約数和(自身を含む): 38616754176

約数和(自身を除く): 18658597221

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 129, 165, 215, 387, 473, 495, 645, 1419, 1935, 2365, 4257, 7095, 21285, 937663, 2812989, 4688315, 8438967, 10314293, 14064945, 30942879, 40319509, 42194835, 51571465, 92828637, 120958527, 154714395, 201597545, 362875581, 443514599, 464143185, 604792635, 1330543797, 1814377905, 2217572995, 3991631391, 6652718985, 19958156955]

約数ペア:

[(1, 19958156955), (3, 6652718985), (5, 3991631391), (9, 2217572995), (11, 1814377905), (15, 1330543797), (33, 604792635), (43, 464143185), (45, 443514599), (55, 362875581), (99, 201597545), (129, 154714395), (165, 120958527), (215, 92828637), (387, 51571465), (473, 42194835), (495, 40319509), (645, 30942879), (1419, 14064945), (1935, 10314293), (2365, 8438967), (4257, 4688315), (7095, 2812989), (21285, 937663)]