16980858

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 39289536

約数和(自身を除く): 22308678

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 211, 263, 306, 422, 526, 633, 789, 1266, 1578, 1899, 2367, 3587, 3798, 4471, 4734, 7174, 8942, 10761, 13413, 21522, 26826, 32283, 40239, 55493, 64566, 80478, 110986, 166479, 332958, 499437, 943381, 998874, 1886762, 2830143, 5660286, 8490429, 16980858]

約数ペア:

[(1, 16980858), (2, 8490429), (3, 5660286), (6, 2830143), (9, 1886762), (17, 998874), (18, 943381), (34, 499437), (51, 332958), (102, 166479), (153, 110986), (211, 80478), (263, 64566), (306, 55493), (422, 40239), (526, 32283), (633, 26826), (789, 21522), (1266, 13413), (1578, 10761), (1899, 8942), (2367, 7174), (3587, 4734), (3798, 4471)]