18035380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1123}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 41920704

約数和(自身を除く): 23885324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1123, 1460, 1606, 2246, 3212, 4015, 4492, 5615, 8030, 11230, 12353, 16060, 22460, 24706, 49412, 61765, 81979, 123530, 163958, 247060, 327916, 409895, 819790, 901769, 1639580, 1803538, 3607076, 4508845, 9017690, 18035380]

約数ペア:

[(1, 18035380), (2, 9017690), (4, 4508845), (5, 3607076), (10, 1803538), (11, 1639580), (20, 901769), (22, 819790), (44, 409895), (55, 327916), (73, 247060), (110, 163958), (146, 123530), (220, 81979), (292, 61765), (365, 49412), (730, 24706), (803, 22460), (1123, 16060), (1460, 12353), (1606, 11230), (2246, 8030), (3212, 5615), (4015, 4492)]