16640676

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:122

約数の個数: 108

約数和(自身を含む): 48073116

約数和(自身を除く): 31432440

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 37, 39, 52, 62, 74, 78, 93, 111, 117, 124, 148, 156, 186, 222, 234, 279, 333, 372, 403, 444, 468, 481, 558, 666, 806, 961, 962, 1116, 1147, 1209, 1332, 1443, 1612, 1922, 1924, 2294, 2418, 2883, 2886, 3441, 3627, 3844, 4329, 4588, 4836, 5766, 5772, 6882, 7254, 8649, 8658, 10323, 11532, 12493, 13764, 14508, 14911, 17298, 17316, 20646, 24986, 29822, 34596, 35557, 37479, 41292, 44733, 49972, 59644, 71114, 74958, 89466, 106671, 112437, 134199, 142228, 149916, 178932, 213342, 224874, 268398, 320013, 426684, 449748, 462241, 536796, 640026, 924482, 1280052, 1386723, 1848964, 2773446, 4160169, 5546892, 8320338, 16640676]

約数ペア:

[(1, 16640676), (2, 8320338), (3, 5546892), (4, 4160169), (6, 2773446), (9, 1848964), (12, 1386723), (13, 1280052), (18, 924482), (26, 640026), (31, 536796), (36, 462241), (37, 449748), (39, 426684), (52, 320013), (62, 268398), (74, 224874), (78, 213342), (93, 178932), (111, 149916), (117, 142228), (124, 134199), (148, 112437), (156, 106671), (186, 89466), (222, 74958), (234, 71114), (279, 59644), (333, 49972), (372, 44733), (403, 41292), (444, 37479), (468, 35557), (481, 34596), (558, 29822), (666, 24986), (806, 20646), (961, 17316), (962, 17298), (1116, 14911), (1147, 14508), (1209, 13764), (1332, 12493), (1443, 11532), (1612, 10323), (1922, 8658), (1924, 8649), (2294, 7254), (2418, 6882), (2883, 5772), (2886, 5766), (3441, 4836), (3627, 4588), (3844, 4329)]