19994504

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2179}}^1$

素因数の和:2253

約数の個数: 32

約数和(自身を含む): 39763200

約数和(自身を除く): 19768696

約数列:

[1, 2, 4, 8, 31, 37, 62, 74, 124, 148, 248, 296, 1147, 2179, 2294, 4358, 4588, 8716, 9176, 17432, 67549, 80623, 135098, 161246, 270196, 322492, 540392, 644984, 2499313, 4998626, 9997252, 19994504]

約数ペア:

[(1, 19994504), (2, 9997252), (4, 4998626), (8, 2499313), (31, 644984), (37, 540392), (62, 322492), (74, 270196), (124, 161246), (148, 135098), (248, 80623), (296, 67549), (1147, 17432), (2179, 9176), (2294, 8716), (4358, 4588)]