19458540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6359}}^1$

素因数の和:6391

約数の個数: 72

約数和(自身を含む): 62506080

約数和(自身を除く): 43047540

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, 6359, 12718, 19077, 25436, 31795, 38154, 57231, 63590, 76308, 95385, 108103, 114462, 127180, 190770, 216206, 228924, 286155, 324309, 381540, 432412, 540515, 572310, 648618, 972927, 1081030, 1144620, 1297236, 1621545, 1945854, 2162060, 3243090, 3891708, 4864635, 6486180, 9729270, 19458540]

約数ペア:

[(1, 19458540), (2, 9729270), (3, 6486180), (4, 4864635), (5, 3891708), (6, 3243090), (9, 2162060), (10, 1945854), (12, 1621545), (15, 1297236), (17, 1144620), (18, 1081030), (20, 972927), (30, 648618), (34, 572310), (36, 540515), (45, 432412), (51, 381540), (60, 324309), (68, 286155), (85, 228924), (90, 216206), (102, 190770), (153, 127180), (170, 114462), (180, 108103), (204, 95385), (255, 76308), (306, 63590), (340, 57231), (510, 38154), (612, 31795), (765, 25436), (1020, 19077), (1530, 12718), (3060, 6359)]