19698990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2423}}^1$

素因数の和:2704

約数の個数: 32

約数和(自身を含む): 47471616

約数和(自身を除く): 27772626

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 271, 542, 813, 1355, 1626, 2423, 2710, 4065, 4846, 7269, 8130, 12115, 14538, 24230, 36345, 72690, 656633, 1313266, 1969899, 3283165, 3939798, 6566330, 9849495, 19698990]

約数ペア:

[(1, 19698990), (2, 9849495), (3, 6566330), (5, 3939798), (6, 3283165), (10, 1969899), (15, 1313266), (30, 656633), (271, 72690), (542, 36345), (813, 24230), (1355, 14538), (1626, 12115), (2423, 8130), (2710, 7269), (4065, 4846)]