18850888

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2531}}^1$

素因数の和:2570

約数の個数: 48

約数和(自身を含む): 43297200

約数和(自身を除く): 24446312

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 392, 532, 931, 1064, 1862, 2531, 3724, 5062, 7448, 10124, 17717, 20248, 35434, 48089, 70868, 96178, 124019, 141736, 192356, 248038, 336623, 384712, 496076, 673246, 992152, 1346492, 2356361, 2692984, 4712722, 9425444, 18850888]

約数ペア:

[(1, 18850888), (2, 9425444), (4, 4712722), (7, 2692984), (8, 2356361), (14, 1346492), (19, 992152), (28, 673246), (38, 496076), (49, 384712), (56, 336623), (76, 248038), (98, 192356), (133, 141736), (152, 124019), (196, 96178), (266, 70868), (392, 48089), (532, 35434), (931, 20248), (1064, 17717), (1862, 10124), (2531, 7448), (3724, 5062)]