18947448

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:709

約数の個数: 96

約数和(自身を含む): 57133440

約数和(自身を除く): 38185992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 31, 36, 39, 52, 62, 72, 78, 93, 104, 117, 124, 156, 186, 234, 248, 279, 312, 372, 403, 468, 558, 653, 744, 806, 936, 1116, 1209, 1306, 1612, 1959, 2232, 2418, 2612, 3224, 3627, 3918, 4836, 5224, 5877, 7254, 7836, 8489, 9672, 11754, 14508, 15672, 16978, 20243, 23508, 25467, 29016, 33956, 40486, 47016, 50934, 60729, 67912, 76401, 80972, 101868, 121458, 152802, 161944, 182187, 203736, 242916, 263159, 305604, 364374, 485832, 526318, 611208, 728748, 789477, 1052636, 1457496, 1578954, 2105272, 2368431, 3157908, 4736862, 6315816, 9473724, 18947448]

約数ペア:

[(1, 18947448), (2, 9473724), (3, 6315816), (4, 4736862), (6, 3157908), (8, 2368431), (9, 2105272), (12, 1578954), (13, 1457496), (18, 1052636), (24, 789477), (26, 728748), (31, 611208), (36, 526318), (39, 485832), (52, 364374), (62, 305604), (72, 263159), (78, 242916), (93, 203736), (104, 182187), (117, 161944), (124, 152802), (156, 121458), (186, 101868), (234, 80972), (248, 76401), (279, 67912), (312, 60729), (372, 50934), (403, 47016), (468, 40486), (558, 33956), (653, 29016), (744, 25467), (806, 23508), (936, 20243), (1116, 16978), (1209, 15672), (1306, 14508), (1612, 11754), (1959, 9672), (2232, 8489), (2418, 7836), (2612, 7254), (3224, 5877), (3627, 5224), (3918, 4836)]