19043440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18311}}^1$

素因数の和:18337

約数の個数: 40

約数和(自身を含む): 47684448

約数和(自身を除く): 28641008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 18311, 36622, 73244, 91555, 146488, 183110, 238043, 292976, 366220, 476086, 732440, 952172, 1190215, 1464880, 1904344, 2380430, 3808688, 4760860, 9521720, 19043440]

約数ペア:

[(1, 19043440), (2, 9521720), (4, 4760860), (5, 3808688), (8, 2380430), (10, 1904344), (13, 1464880), (16, 1190215), (20, 952172), (26, 732440), (40, 476086), (52, 366220), (65, 292976), (80, 238043), (104, 183110), (130, 146488), (208, 91555), (260, 73244), (520, 36622), (1040, 18311)]