9165220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 20563200

約数和(自身を除く): 11397980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 271, 356, 380, 445, 542, 890, 1084, 1355, 1691, 1780, 2710, 3382, 5149, 5420, 6764, 8455, 10298, 16910, 20596, 24119, 25745, 33820, 48238, 51490, 96476, 102980, 120595, 241190, 458261, 482380, 916522, 1833044, 2291305, 4582610, 9165220]

約数ペア:

[(1, 9165220), (2, 4582610), (4, 2291305), (5, 1833044), (10, 916522), (19, 482380), (20, 458261), (38, 241190), (76, 120595), (89, 102980), (95, 96476), (178, 51490), (190, 48238), (271, 33820), (356, 25745), (380, 24119), (445, 20596), (542, 16910), (890, 10298), (1084, 8455), (1355, 6764), (1691, 5420), (1780, 5149), (2710, 3382)]