17920724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 35078400

約数和(自身を除く): 17157676

約数列:

[1, 2, 4, 19, 29, 38, 47, 58, 76, 94, 116, 173, 188, 346, 551, 692, 893, 1102, 1363, 1786, 2204, 2726, 3287, 3572, 5017, 5452, 6574, 8131, 10034, 13148, 16262, 20068, 25897, 32524, 51794, 95323, 103588, 154489, 190646, 235799, 308978, 381292, 471598, 617956, 943196, 4480181, 8960362, 17920724]

約数ペア:

[(1, 17920724), (2, 8960362), (4, 4480181), (19, 943196), (29, 617956), (38, 471598), (47, 381292), (58, 308978), (76, 235799), (94, 190646), (116, 154489), (173, 103588), (188, 95323), (346, 51794), (551, 32524), (692, 25897), (893, 20068), (1102, 16262), (1363, 13148), (1786, 10034), (2204, 8131), (2726, 6574), (3287, 5452), (3572, 5017)]