19419344

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2089}}^1$

素因数の和:2187

約数の個数: 40

約数和(自身を含む): 43538880

約数和(自身を除く): 24119536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 581, 664, 1162, 1328, 2089, 2324, 4178, 4648, 8356, 9296, 14623, 16712, 29246, 33424, 58492, 116984, 173387, 233968, 346774, 693548, 1213709, 1387096, 2427418, 2774192, 4854836, 9709672, 19419344]

約数ペア:

[(1, 19419344), (2, 9709672), (4, 4854836), (7, 2774192), (8, 2427418), (14, 1387096), (16, 1213709), (28, 693548), (56, 346774), (83, 233968), (112, 173387), (166, 116984), (332, 58492), (581, 33424), (664, 29246), (1162, 16712), (1328, 14623), (2089, 9296), (2324, 8356), (4178, 4648)]