19171672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2221}}^1$

素因数の和:2323

約数の個数: 32

約数和(自身を含む): 39196080

約数和(自身を除く): 20024408

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 332, 664, 1079, 2158, 2221, 4316, 4442, 8632, 8884, 17768, 28873, 57746, 115492, 184343, 230984, 368686, 737372, 1474744, 2396459, 4792918, 9585836, 19171672]

約数ペア:

[(1, 19171672), (2, 9585836), (4, 4792918), (8, 2396459), (13, 1474744), (26, 737372), (52, 368686), (83, 230984), (104, 184343), (166, 115492), (332, 57746), (664, 28873), (1079, 17768), (2158, 8884), (2221, 8632), (4316, 4442)]