19713852

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:883

約数の個数: 72

約数和(自身を含む): 53857440

約数和(自身を除く): 34143588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 29, 36, 46, 58, 69, 87, 92, 116, 138, 174, 207, 261, 276, 348, 414, 522, 667, 821, 828, 1044, 1334, 1642, 2001, 2463, 2668, 3284, 4002, 4926, 6003, 7389, 8004, 9852, 12006, 14778, 18883, 23809, 24012, 29556, 37766, 47618, 56649, 71427, 75532, 95236, 113298, 142854, 169947, 214281, 226596, 285708, 339894, 428562, 547607, 679788, 857124, 1095214, 1642821, 2190428, 3285642, 4928463, 6571284, 9856926, 19713852]

約数ペア:

[(1, 19713852), (2, 9856926), (3, 6571284), (4, 4928463), (6, 3285642), (9, 2190428), (12, 1642821), (18, 1095214), (23, 857124), (29, 679788), (36, 547607), (46, 428562), (58, 339894), (69, 285708), (87, 226596), (92, 214281), (116, 169947), (138, 142854), (174, 113298), (207, 95236), (261, 75532), (276, 71427), (348, 56649), (414, 47618), (522, 37766), (667, 29556), (821, 24012), (828, 23809), (1044, 18883), (1334, 14778), (1642, 12006), (2001, 9852), (2463, 8004), (2668, 7389), (3284, 6003), (4002, 4926)]