18547660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 41372352

約数和(自身を除く): 22824692

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 460, 610, 661, 1220, 1322, 1403, 2644, 2806, 3305, 5612, 6610, 7015, 13220, 14030, 15203, 28060, 30406, 40321, 60812, 76015, 80642, 152030, 161284, 201605, 304060, 403210, 806420, 927383, 1854766, 3709532, 4636915, 9273830, 18547660]

約数ペア:

[(1, 18547660), (2, 9273830), (4, 4636915), (5, 3709532), (10, 1854766), (20, 927383), (23, 806420), (46, 403210), (61, 304060), (92, 201605), (115, 161284), (122, 152030), (230, 80642), (244, 76015), (305, 60812), (460, 40321), (610, 30406), (661, 28060), (1220, 15203), (1322, 14030), (1403, 13220), (2644, 7015), (2806, 6610), (3305, 5612)]