19278324

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 56918400

約数和(自身を除く): 37640076

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 36, 39, 46, 52, 54, 69, 78, 81, 92, 108, 117, 138, 156, 162, 199, 207, 234, 276, 299, 324, 351, 398, 414, 468, 597, 598, 621, 702, 796, 828, 897, 1053, 1194, 1196, 1242, 1404, 1791, 1794, 1863, 2106, 2388, 2484, 2587, 2691, 3582, 3588, 3726, 4212, 4577, 5174, 5373, 5382, 7164, 7452, 7761, 8073, 9154, 10348, 10746, 10764, 13731, 15522, 16119, 16146, 18308, 21492, 23283, 24219, 27462, 31044, 32238, 32292, 41193, 46566, 48438, 54924, 59501, 64476, 69849, 82386, 93132, 96876, 119002, 123579, 139698, 164772, 178503, 209547, 238004, 247158, 279396, 357006, 370737, 419094, 494316, 535509, 714012, 741474, 838188, 1071018, 1482948, 1606527, 2142036, 3213054, 4819581, 6426108, 9639162, 19278324]

約数ペア:

[(1, 19278324), (2, 9639162), (3, 6426108), (4, 4819581), (6, 3213054), (9, 2142036), (12, 1606527), (13, 1482948), (18, 1071018), (23, 838188), (26, 741474), (27, 714012), (36, 535509), (39, 494316), (46, 419094), (52, 370737), (54, 357006), (69, 279396), (78, 247158), (81, 238004), (92, 209547), (108, 178503), (117, 164772), (138, 139698), (156, 123579), (162, 119002), (199, 96876), (207, 93132), (234, 82386), (276, 69849), (299, 64476), (324, 59501), (351, 54924), (398, 48438), (414, 46566), (468, 41193), (597, 32292), (598, 32238), (621, 31044), (702, 27462), (796, 24219), (828, 23283), (897, 21492), (1053, 18308), (1194, 16146), (1196, 16119), (1242, 15522), (1404, 13731), (1791, 10764), (1794, 10746), (1863, 10348), (2106, 9154), (2388, 8073), (2484, 7761), (2587, 7452), (2691, 7164), (3582, 5382), (3588, 5373), (3726, 5174), (4212, 4577)]