19437320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 52202880

約数和(自身を除く): 32765560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 49, 56, 70, 94, 98, 140, 188, 196, 211, 235, 245, 280, 329, 376, 392, 422, 470, 490, 658, 844, 940, 980, 1055, 1316, 1477, 1645, 1688, 1880, 1960, 2110, 2303, 2632, 2954, 3290, 4220, 4606, 5908, 6580, 7385, 8440, 9212, 9917, 10339, 11515, 11816, 13160, 14770, 18424, 19834, 20678, 23030, 29540, 39668, 41356, 46060, 49585, 51695, 59080, 69419, 79336, 82712, 92120, 99170, 103390, 138838, 198340, 206780, 277676, 347095, 396680, 413560, 485933, 555352, 694190, 971866, 1388380, 1943732, 2429665, 2776760, 3887464, 4859330, 9718660, 19437320]

約数ペア:

[(1, 19437320), (2, 9718660), (4, 4859330), (5, 3887464), (7, 2776760), (8, 2429665), (10, 1943732), (14, 1388380), (20, 971866), (28, 694190), (35, 555352), (40, 485933), (47, 413560), (49, 396680), (56, 347095), (70, 277676), (94, 206780), (98, 198340), (140, 138838), (188, 103390), (196, 99170), (211, 92120), (235, 82712), (245, 79336), (280, 69419), (329, 59080), (376, 51695), (392, 49585), (422, 46060), (470, 41356), (490, 39668), (658, 29540), (844, 23030), (940, 20678), (980, 19834), (1055, 18424), (1316, 14770), (1477, 13160), (1645, 11816), (1688, 11515), (1880, 10339), (1960, 9917), (2110, 9212), (2303, 8440), (2632, 7385), (2954, 6580), (3290, 5908), (4220, 4606)]