18992718052

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{389}}^1\times {\mathrm{14411}}^1$

素因数の和:14833

約数の個数: 72

約数和(自身を含む): 41862824640

約数和(自身を除く): 22870106588

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 389, 484, 778, 847, 1556, 1694, 2723, 3388, 4279, 5446, 8558, 10892, 14411, 17116, 28822, 29953, 47069, 57644, 59906, 94138, 100877, 119812, 158521, 188276, 201754, 317042, 329483, 403508, 634084, 658966, 1109647, 1317932, 1743731, 2219294, 3487462, 4438588, 5605879, 6974924, 11211758, 12206117, 22423516, 24412234, 39241153, 48824468, 61664669, 78482306, 123329338, 156964612, 246658676, 431652683, 678311359, 863305366, 1356622718, 1726610732, 2713245436, 4748179513, 9496359026, 18992718052]

約数ペア:

[(1, 18992718052), (2, 9496359026), (4, 4748179513), (7, 2713245436), (11, 1726610732), (14, 1356622718), (22, 863305366), (28, 678311359), (44, 431652683), (77, 246658676), (121, 156964612), (154, 123329338), (242, 78482306), (308, 61664669), (389, 48824468), (484, 39241153), (778, 24412234), (847, 22423516), (1556, 12206117), (1694, 11211758), (2723, 6974924), (3388, 5605879), (4279, 4438588), (5446, 3487462), (8558, 2219294), (10892, 1743731), (14411, 1317932), (17116, 1109647), (28822, 658966), (29953, 634084), (47069, 403508), (57644, 329483), (59906, 317042), (94138, 201754), (100877, 188276), (119812, 158521)]