20181912

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 52876800

約数和(自身を除く): 32694888

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 107, 116, 174, 214, 232, 271, 321, 348, 428, 542, 642, 696, 813, 856, 1084, 1284, 1626, 2168, 2568, 3103, 3252, 6206, 6504, 7859, 9309, 12412, 15718, 18618, 23577, 24824, 28997, 31436, 37236, 47154, 57994, 62872, 74472, 86991, 94308, 115988, 173982, 188616, 231976, 347964, 695928, 840913, 1681826, 2522739, 3363652, 5045478, 6727304, 10090956, 20181912]

約数ペア:

[(1, 20181912), (2, 10090956), (3, 6727304), (4, 5045478), (6, 3363652), (8, 2522739), (12, 1681826), (24, 840913), (29, 695928), (58, 347964), (87, 231976), (107, 188616), (116, 173982), (174, 115988), (214, 94308), (232, 86991), (271, 74472), (321, 62872), (348, 57994), (428, 47154), (542, 37236), (642, 31436), (696, 28997), (813, 24824), (856, 23577), (1084, 18618), (1284, 15718), (1626, 12412), (2168, 9309), (2568, 7859), (3103, 6504), (3252, 6206)]