19219184

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:549

約数の個数: 40

約数和(自身を含む): 39521280

約数和(自身を除く): 20302096

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 191, 304, 331, 382, 662, 764, 1324, 1528, 2648, 3056, 3629, 5296, 6289, 7258, 12578, 14516, 25156, 29032, 50312, 58064, 63221, 100624, 126442, 252884, 505768, 1011536, 1201199, 2402398, 4804796, 9609592, 19219184]

約数ペア:

[(1, 19219184), (2, 9609592), (4, 4804796), (8, 2402398), (16, 1201199), (19, 1011536), (38, 505768), (76, 252884), (152, 126442), (191, 100624), (304, 63221), (331, 58064), (382, 50312), (662, 29032), (764, 25156), (1324, 14516), (1528, 12578), (2648, 7258), (3056, 6289), (3629, 5296)]