19643988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17989}}^1$

素因数の和:18016

約数の個数: 48

約数和(自身を含む): 56416640

約数和(自身を除く): 36772652

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 17989, 35978, 53967, 71956, 107934, 125923, 215868, 233857, 251846, 377769, 467714, 503692, 701571, 755538, 935428, 1403142, 1511076, 1636999, 2806284, 3273998, 4910997, 6547996, 9821994, 19643988]

約数ペア:

[(1, 19643988), (2, 9821994), (3, 6547996), (4, 4910997), (6, 3273998), (7, 2806284), (12, 1636999), (13, 1511076), (14, 1403142), (21, 935428), (26, 755538), (28, 701571), (39, 503692), (42, 467714), (52, 377769), (78, 251846), (84, 233857), (91, 215868), (156, 125923), (182, 107934), (273, 71956), (364, 53967), (546, 35978), (1092, 17989)]