19820480

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2693}}^1$

素因数の和:2733

約数の個数: 56

約数和(自身を含む): 49267872

約数和(自身を除く): 29447392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 2693, 3680, 5386, 7360, 10772, 13465, 21544, 26930, 43088, 53860, 61939, 86176, 107720, 123878, 172352, 215440, 247756, 309695, 430880, 495512, 619390, 861760, 991024, 1238780, 1982048, 2477560, 3964096, 4955120, 9910240, 19820480]

約数ペア:

[(1, 19820480), (2, 9910240), (4, 4955120), (5, 3964096), (8, 2477560), (10, 1982048), (16, 1238780), (20, 991024), (23, 861760), (32, 619390), (40, 495512), (46, 430880), (64, 309695), (80, 247756), (92, 215440), (115, 172352), (160, 123878), (184, 107720), (230, 86176), (320, 61939), (368, 53860), (460, 43088), (736, 26930), (920, 21544), (1472, 13465), (1840, 10772), (2693, 7360), (3680, 5386)]