19386880

素因数分解:

$2^9\times 5^1\times {\mathrm{7573}}^1$

素因数の和:7596

約数の個数: 40

約数和(自身を含む): 46489212

約数和(自身を除く): 27102332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7573, 15146, 30292, 37865, 60584, 75730, 121168, 151460, 242336, 302920, 484672, 605840, 969344, 1211680, 1938688, 2423360, 3877376, 4846720, 9693440, 19386880]

約数ペア:

[(1, 19386880), (2, 9693440), (4, 4846720), (5, 3877376), (8, 2423360), (10, 1938688), (16, 1211680), (20, 969344), (32, 605840), (40, 484672), (64, 302920), (80, 242336), (128, 151460), (160, 121168), (256, 75730), (320, 60584), (512, 37865), (640, 30292), (1280, 15146), (2560, 7573)]