15663220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{877}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 35400960

約数和(自身を除く): 19737740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 877, 893, 940, 1754, 1786, 3508, 3572, 4385, 4465, 8770, 8930, 16663, 17540, 17860, 33326, 41219, 66652, 82438, 83315, 164876, 166630, 206095, 333260, 412190, 783161, 824380, 1566322, 3132644, 3915805, 7831610, 15663220]

約数ペア:

[(1, 15663220), (2, 7831610), (4, 3915805), (5, 3132644), (10, 1566322), (19, 824380), (20, 783161), (38, 412190), (47, 333260), (76, 206095), (94, 166630), (95, 164876), (188, 83315), (190, 82438), (235, 66652), (380, 41219), (470, 33326), (877, 17860), (893, 17540), (940, 16663), (1754, 8930), (1786, 8770), (3508, 4465), (3572, 4385)]