1999619154

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{9811}}^1$

素因数の和:9912

約数の個数: 72

約数和(自身を含む): 4761920592

約数和(自身を除く): 2762301438

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 67, 78, 117, 134, 169, 201, 234, 338, 402, 507, 603, 871, 1014, 1206, 1521, 1742, 2613, 3042, 5226, 7839, 9811, 11323, 15678, 19622, 22646, 29433, 33969, 58866, 67938, 88299, 101907, 127543, 176598, 203814, 255086, 382629, 657337, 765258, 1147887, 1314674, 1658059, 1972011, 2295774, 3316118, 3944022, 4974177, 5916033, 8545381, 9948354, 11832066, 14922531, 17090762, 25636143, 29845062, 51272286, 76908429, 111089953, 153816858, 222179906, 333269859, 666539718, 999809577, 1999619154]

約数ペア:

[(1, 1999619154), (2, 999809577), (3, 666539718), (6, 333269859), (9, 222179906), (13, 153816858), (18, 111089953), (26, 76908429), (39, 51272286), (67, 29845062), (78, 25636143), (117, 17090762), (134, 14922531), (169, 11832066), (201, 9948354), (234, 8545381), (338, 5916033), (402, 4974177), (507, 3944022), (603, 3316118), (871, 2295774), (1014, 1972011), (1206, 1658059), (1521, 1314674), (1742, 1147887), (2613, 765258), (3042, 657337), (5226, 382629), (7839, 255086), (9811, 203814), (11323, 176598), (15678, 127543), (19622, 101907), (22646, 88299), (29433, 67938), (33969, 58866)]