19899216

素因数分解:

$2^4\times 3^3\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:721

約数の個数: 80

約数和(自身を含む): 57992320

約数和(自身を除く): 38093104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 73, 108, 144, 146, 216, 219, 292, 432, 438, 584, 631, 657, 876, 1168, 1262, 1314, 1752, 1893, 1971, 2524, 2628, 3504, 3786, 3942, 5048, 5256, 5679, 7572, 7884, 10096, 10512, 11358, 15144, 15768, 17037, 22716, 30288, 31536, 34074, 45432, 46063, 68148, 90864, 92126, 136296, 138189, 184252, 272592, 276378, 368504, 414567, 552756, 737008, 829134, 1105512, 1243701, 1658268, 2211024, 2487402, 3316536, 4974804, 6633072, 9949608, 19899216]

約数ペア:

[(1, 19899216), (2, 9949608), (3, 6633072), (4, 4974804), (6, 3316536), (8, 2487402), (9, 2211024), (12, 1658268), (16, 1243701), (18, 1105512), (24, 829134), (27, 737008), (36, 552756), (48, 414567), (54, 368504), (72, 276378), (73, 272592), (108, 184252), (144, 138189), (146, 136296), (216, 92126), (219, 90864), (292, 68148), (432, 46063), (438, 45432), (584, 34074), (631, 31536), (657, 30288), (876, 22716), (1168, 17037), (1262, 15768), (1314, 15144), (1752, 11358), (1893, 10512), (1971, 10096), (2524, 7884), (2628, 7572), (3504, 5679), (3786, 5256), (3942, 5048)]