18969830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5563}}^1$

素因数の和:5612

約数の個数: 32

約数和(自身を含む): 38458368

約数和(自身を除く): 19488538

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 5563, 11126, 27815, 55630, 61193, 122386, 172453, 305965, 344906, 611930, 862265, 1724530, 1896983, 3793966, 9484915, 18969830]

約数ペア:

[(1, 18969830), (2, 9484915), (5, 3793966), (10, 1896983), (11, 1724530), (22, 862265), (31, 611930), (55, 344906), (62, 305965), (110, 172453), (155, 122386), (310, 61193), (341, 55630), (682, 27815), (1705, 11126), (3410, 5563)]