18146140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 43288560

約数和(自身を除く): 25142420

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 53, 68, 76, 85, 95, 106, 170, 190, 212, 265, 323, 340, 380, 530, 646, 901, 1007, 1060, 1292, 1615, 1802, 2014, 2809, 3230, 3604, 4028, 4505, 5035, 5618, 6460, 9010, 10070, 11236, 14045, 17119, 18020, 20140, 28090, 34238, 47753, 53371, 56180, 68476, 85595, 95506, 106742, 171190, 191012, 213484, 238765, 266855, 342380, 477530, 533710, 907307, 955060, 1067420, 1814614, 3629228, 4536535, 9073070, 18146140]

約数ペア:

[(1, 18146140), (2, 9073070), (4, 4536535), (5, 3629228), (10, 1814614), (17, 1067420), (19, 955060), (20, 907307), (34, 533710), (38, 477530), (53, 342380), (68, 266855), (76, 238765), (85, 213484), (95, 191012), (106, 171190), (170, 106742), (190, 95506), (212, 85595), (265, 68476), (323, 56180), (340, 53371), (380, 47753), (530, 34238), (646, 28090), (901, 20140), (1007, 18020), (1060, 17119), (1292, 14045), (1615, 11236), (1802, 10070), (2014, 9010), (2809, 6460), (3230, 5618), (3604, 5035), (4028, 4505)]