17989362

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 40754688

約数和(自身を除く): 22765326

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 103, 186, 206, 279, 309, 313, 558, 618, 626, 927, 939, 1854, 1878, 2817, 3193, 5634, 6386, 9579, 9703, 19158, 19406, 28737, 29109, 32239, 57474, 58218, 64478, 87327, 96717, 174654, 193434, 290151, 580302, 999409, 1998818, 2998227, 5996454, 8994681, 17989362]

約数ペア:

[(1, 17989362), (2, 8994681), (3, 5996454), (6, 2998227), (9, 1998818), (18, 999409), (31, 580302), (62, 290151), (93, 193434), (103, 174654), (186, 96717), (206, 87327), (279, 64478), (309, 58218), (313, 57474), (558, 32239), (618, 29109), (626, 28737), (927, 19406), (939, 19158), (1854, 9703), (1878, 9579), (2817, 6386), (3193, 5634)]