18256980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2557}}^1$

素因数の和:2593

約数の個数: 96

約数和(自身を含む): 61883136

約数和(自身を除く): 43626156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 2557, 3570, 5114, 7140, 7671, 10228, 12785, 15342, 17899, 25570, 30684, 35798, 38355, 43469, 51140, 53697, 71596, 76710, 86938, 89495, 107394, 130407, 153420, 173876, 178990, 214788, 217345, 260814, 268485, 304283, 357980, 434690, 521628, 536970, 608566, 652035, 869380, 912849, 1073940, 1217132, 1304070, 1521415, 1825698, 2608140, 3042830, 3651396, 4564245, 6085660, 9128490, 18256980]

約数ペア:

[(1, 18256980), (2, 9128490), (3, 6085660), (4, 4564245), (5, 3651396), (6, 3042830), (7, 2608140), (10, 1825698), (12, 1521415), (14, 1304070), (15, 1217132), (17, 1073940), (20, 912849), (21, 869380), (28, 652035), (30, 608566), (34, 536970), (35, 521628), (42, 434690), (51, 357980), (60, 304283), (68, 268485), (70, 260814), (84, 217345), (85, 214788), (102, 178990), (105, 173876), (119, 153420), (140, 130407), (170, 107394), (204, 89495), (210, 86938), (238, 76710), (255, 71596), (340, 53697), (357, 51140), (420, 43469), (476, 38355), (510, 35798), (595, 30684), (714, 25570), (1020, 17899), (1190, 15342), (1428, 12785), (1785, 10228), (2380, 7671), (2557, 7140), (3570, 5114)]