18878603968

素因数分解:

$2^6\times 7^2\times {\mathrm{307}}^1\times {\mathrm{19609}}^1$

素因数の和:19942

約数の個数: 84

約数和(自身を含む): 43722691320

約数和(自身を除く): 24844087352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 307, 392, 448, 614, 784, 1228, 1568, 2149, 2456, 3136, 4298, 4912, 8596, 9824, 15043, 17192, 19609, 19648, 30086, 34384, 39218, 60172, 68768, 78436, 120344, 137263, 137536, 156872, 240688, 274526, 313744, 481376, 549052, 627488, 960841, 962752, 1098104, 1254976, 1921682, 2196208, 3843364, 4392416, 6019963, 7686728, 8784832, 12039926, 15373456, 24079852, 30746912, 42139741, 48159704, 61493824, 84279482, 96319408, 168558964, 192638816, 294978187, 337117928, 385277632, 589956374, 674235856, 1179912748, 1348471712, 2359825496, 2696943424, 4719650992, 9439301984, 18878603968]

約数ペア:

[(1, 18878603968), (2, 9439301984), (4, 4719650992), (7, 2696943424), (8, 2359825496), (14, 1348471712), (16, 1179912748), (28, 674235856), (32, 589956374), (49, 385277632), (56, 337117928), (64, 294978187), (98, 192638816), (112, 168558964), (196, 96319408), (224, 84279482), (307, 61493824), (392, 48159704), (448, 42139741), (614, 30746912), (784, 24079852), (1228, 15373456), (1568, 12039926), (2149, 8784832), (2456, 7686728), (3136, 6019963), (4298, 4392416), (4912, 3843364), (8596, 2196208), (9824, 1921682), (15043, 1254976), (17192, 1098104), (19609, 962752), (19648, 960841), (30086, 627488), (34384, 549052), (39218, 481376), (60172, 313744), (68768, 274526), (78436, 240688), (120344, 156872), (137263, 137536)]