19687790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1549}}^1$

素因数の和:1628

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 17809810

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 155, 205, 310, 410, 1271, 1549, 2542, 3098, 6355, 7745, 12710, 15490, 48019, 63509, 96038, 127018, 240095, 317545, 480190, 635090, 1968779, 3937558, 9843895, 19687790]

約数ペア:

[(1, 19687790), (2, 9843895), (5, 3937558), (10, 1968779), (31, 635090), (41, 480190), (62, 317545), (82, 240095), (155, 127018), (205, 96038), (310, 63509), (410, 48019), (1271, 15490), (1549, 12710), (2542, 7745), (3098, 6355)]