19897788

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 49230720

約数和(自身を除く): 29332932

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 197, 228, 394, 443, 591, 788, 886, 1182, 1329, 1772, 2364, 2658, 3743, 5316, 7486, 8417, 11229, 14972, 16834, 22458, 25251, 33668, 44916, 50502, 87271, 101004, 174542, 261813, 349084, 523626, 1047252, 1658149, 3316298, 4974447, 6632596, 9948894, 19897788]

約数ペア:

[(1, 19897788), (2, 9948894), (3, 6632596), (4, 4974447), (6, 3316298), (12, 1658149), (19, 1047252), (38, 523626), (57, 349084), (76, 261813), (114, 174542), (197, 101004), (228, 87271), (394, 50502), (443, 44916), (591, 33668), (788, 25251), (886, 22458), (1182, 16834), (1329, 14972), (1772, 11229), (2364, 8417), (2658, 7486), (3743, 5316)]