18897438

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 49248000

約数和(自身を除く): 30350562

約数列:

[1, 2, 3, 6, 7, 14, 17, 19, 21, 34, 38, 42, 49, 51, 57, 98, 102, 114, 119, 133, 147, 199, 238, 266, 294, 323, 357, 398, 399, 597, 646, 714, 798, 833, 931, 969, 1194, 1393, 1666, 1862, 1938, 2261, 2499, 2786, 2793, 3383, 3781, 4179, 4522, 4998, 5586, 6766, 6783, 7562, 8358, 9751, 10149, 11343, 13566, 15827, 19502, 20298, 22686, 23681, 26467, 29253, 31654, 47362, 47481, 52934, 58506, 64277, 71043, 79401, 94962, 128554, 142086, 158802, 165767, 185269, 192831, 331534, 370538, 385662, 449939, 497301, 555807, 899878, 994602, 1111614, 1349817, 2699634, 3149573, 6299146, 9448719, 18897438]

約数ペア:

[(1, 18897438), (2, 9448719), (3, 6299146), (6, 3149573), (7, 2699634), (14, 1349817), (17, 1111614), (19, 994602), (21, 899878), (34, 555807), (38, 497301), (42, 449939), (49, 385662), (51, 370538), (57, 331534), (98, 192831), (102, 185269), (114, 165767), (119, 158802), (133, 142086), (147, 128554), (199, 94962), (238, 79401), (266, 71043), (294, 64277), (323, 58506), (357, 52934), (398, 47481), (399, 47362), (597, 31654), (646, 29253), (714, 26467), (798, 23681), (833, 22686), (931, 20298), (969, 19502), (1194, 15827), (1393, 13566), (1666, 11343), (1862, 10149), (1938, 9751), (2261, 8358), (2499, 7562), (2786, 6783), (2793, 6766), (3383, 5586), (3781, 4998), (4179, 4522)]