20180706

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1607}}^1$

素因数の和:1655

約数の個数: 64

約数和(自身を含む): 51867648

約数和(自身を除く): 31686942

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 23, 26, 39, 42, 46, 69, 78, 91, 138, 161, 182, 273, 299, 322, 483, 546, 598, 897, 966, 1607, 1794, 2093, 3214, 4186, 4821, 6279, 9642, 11249, 12558, 20891, 22498, 33747, 36961, 41782, 62673, 67494, 73922, 110883, 125346, 146237, 221766, 258727, 292474, 438711, 480493, 517454, 776181, 877422, 960986, 1441479, 1552362, 2882958, 3363451, 6726902, 10090353, 20180706]

約数ペア:

[(1, 20180706), (2, 10090353), (3, 6726902), (6, 3363451), (7, 2882958), (13, 1552362), (14, 1441479), (21, 960986), (23, 877422), (26, 776181), (39, 517454), (42, 480493), (46, 438711), (69, 292474), (78, 258727), (91, 221766), (138, 146237), (161, 125346), (182, 110883), (273, 73922), (299, 67494), (322, 62673), (483, 41782), (546, 36961), (598, 33747), (897, 22498), (966, 20891), (1607, 12558), (1794, 11249), (2093, 9642), (3214, 6279), (4186, 4821)]