19253120

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 46818000

約数和(自身を除く): 27564880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 449, 536, 640, 670, 898, 1072, 1340, 1796, 2144, 2245, 2680, 3592, 4288, 4490, 5360, 7184, 8576, 8980, 10720, 14368, 17960, 21440, 28736, 30083, 35920, 42880, 57472, 60166, 71840, 120332, 143680, 150415, 240664, 287360, 300830, 481328, 601660, 962656, 1203320, 1925312, 2406640, 3850624, 4813280, 9626560, 19253120]

約数ペア:

[(1, 19253120), (2, 9626560), (4, 4813280), (5, 3850624), (8, 2406640), (10, 1925312), (16, 1203320), (20, 962656), (32, 601660), (40, 481328), (64, 300830), (67, 287360), (80, 240664), (128, 150415), (134, 143680), (160, 120332), (268, 71840), (320, 60166), (335, 57472), (449, 42880), (536, 35920), (640, 30083), (670, 28736), (898, 21440), (1072, 17960), (1340, 14368), (1796, 10720), (2144, 8980), (2245, 8576), (2680, 7184), (3592, 5360), (4288, 4490)]