18866484

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{443}}^1$

素因数の和:486

約数の個数: 108

約数和(自身を含む): 59151456

約数和(自身を除く): 40284972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 169, 182, 234, 252, 273, 338, 364, 443, 468, 507, 546, 676, 819, 886, 1014, 1092, 1183, 1329, 1521, 1638, 1772, 2028, 2366, 2658, 3042, 3101, 3276, 3549, 3987, 4732, 5316, 5759, 6084, 6202, 7098, 7974, 9303, 10647, 11518, 12404, 14196, 15948, 17277, 18606, 21294, 23036, 27909, 34554, 37212, 40313, 42588, 51831, 55818, 69108, 74867, 80626, 103662, 111636, 120939, 149734, 161252, 207324, 224601, 241878, 299468, 362817, 449202, 483756, 524069, 673803, 725634, 898404, 1048138, 1347606, 1451268, 1572207, 2096276, 2695212, 3144414, 4716621, 6288828, 9433242, 18866484]

約数ペア:

[(1, 18866484), (2, 9433242), (3, 6288828), (4, 4716621), (6, 3144414), (7, 2695212), (9, 2096276), (12, 1572207), (13, 1451268), (14, 1347606), (18, 1048138), (21, 898404), (26, 725634), (28, 673803), (36, 524069), (39, 483756), (42, 449202), (52, 362817), (63, 299468), (78, 241878), (84, 224601), (91, 207324), (117, 161252), (126, 149734), (156, 120939), (169, 111636), (182, 103662), (234, 80626), (252, 74867), (273, 69108), (338, 55818), (364, 51831), (443, 42588), (468, 40313), (507, 37212), (546, 34554), (676, 27909), (819, 23036), (886, 21294), (1014, 18606), (1092, 17277), (1183, 15948), (1329, 14196), (1521, 12404), (1638, 11518), (1772, 10647), (2028, 9303), (2366, 7974), (2658, 7098), (3042, 6202), (3101, 6084), (3276, 5759), (3549, 5316), (3987, 4732)]