19910936

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4517}}^1$

素因数の和:4571

約数の個数: 32

約数和(自身を含む): 40662000

約数和(自身を除く): 20751064

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4517, 9034, 18068, 36136, 85823, 130993, 171646, 261986, 343292, 523972, 686584, 1047944, 2488867, 4977734, 9955468, 19910936]

約数ペア:

[(1, 19910936), (2, 9955468), (4, 4977734), (8, 2488867), (19, 1047944), (29, 686584), (38, 523972), (58, 343292), (76, 261986), (116, 171646), (152, 130993), (232, 85823), (551, 36136), (1102, 18068), (2204, 9034), (4408, 4517)]