19207620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6277}}^1$

素因数の和:6309

約数の個数: 72

約数和(自身を含む): 61700184

約数和(自身を除く): 42492564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6277, 12554, 18831, 25108, 31385, 37662, 56493, 62770, 75324, 94155, 106709, 112986, 125540, 188310, 213418, 225972, 282465, 320127, 376620, 426836, 533545, 564930, 640254, 960381, 1067090, 1129860, 1280508, 1600635, 1920762, 2134180, 3201270, 3841524, 4801905, 6402540, 9603810, 19207620]

約数ペア:

[(1, 19207620), (2, 9603810), (3, 6402540), (4, 4801905), (5, 3841524), (6, 3201270), (9, 2134180), (10, 1920762), (12, 1600635), (15, 1280508), (17, 1129860), (18, 1067090), (20, 960381), (30, 640254), (34, 564930), (36, 533545), (45, 426836), (51, 376620), (60, 320127), (68, 282465), (85, 225972), (90, 213418), (102, 188310), (153, 125540), (170, 112986), (180, 106709), (204, 94155), (255, 75324), (306, 62770), (340, 56493), (510, 37662), (612, 31385), (765, 25108), (1020, 18831), (1530, 12554), (3060, 6277)]