19772784

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{2251}}^1$

素因数の和:2326

約数の個数: 60

約数和(自身を含む): 56268472

約数和(自身を除く): 36495688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 2196, 2251, 2928, 4392, 4502, 6753, 8784, 9004, 13506, 18008, 20259, 27012, 36016, 40518, 54024, 81036, 108048, 137311, 162072, 274622, 324144, 411933, 549244, 823866, 1098488, 1235799, 1647732, 2196976, 2471598, 3295464, 4943196, 6590928, 9886392, 19772784]

約数ペア:

[(1, 19772784), (2, 9886392), (3, 6590928), (4, 4943196), (6, 3295464), (8, 2471598), (9, 2196976), (12, 1647732), (16, 1235799), (18, 1098488), (24, 823866), (36, 549244), (48, 411933), (61, 324144), (72, 274622), (122, 162072), (144, 137311), (183, 108048), (244, 81036), (366, 54024), (488, 40518), (549, 36016), (732, 27012), (976, 20259), (1098, 18008), (1464, 13506), (2196, 9004), (2251, 8784), (2928, 6753), (4392, 4502)]