19003880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1013}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 49645440

約数和(自身を除く): 30641560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1013, 1340, 1876, 2026, 2345, 2680, 3752, 4052, 4690, 5065, 7091, 8104, 9380, 10130, 14182, 18760, 20260, 28364, 35455, 40520, 56728, 67871, 70910, 135742, 141820, 271484, 283640, 339355, 475097, 542968, 678710, 950194, 1357420, 1900388, 2375485, 2714840, 3800776, 4750970, 9501940, 19003880]

約数ペア:

[(1, 19003880), (2, 9501940), (4, 4750970), (5, 3800776), (7, 2714840), (8, 2375485), (10, 1900388), (14, 1357420), (20, 950194), (28, 678710), (35, 542968), (40, 475097), (56, 339355), (67, 283640), (70, 271484), (134, 141820), (140, 135742), (268, 70910), (280, 67871), (335, 56728), (469, 40520), (536, 35455), (670, 28364), (938, 20260), (1013, 18760), (1340, 14182), (1876, 10130), (2026, 9380), (2345, 8104), (2680, 7091), (3752, 5065), (4052, 4690)]