17688088

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 38880000

約数和(自身を除く): 21191912

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 71, 76, 88, 142, 149, 152, 209, 284, 298, 418, 568, 596, 781, 836, 1192, 1349, 1562, 1639, 1672, 2698, 2831, 3124, 3278, 5396, 5662, 6248, 6556, 10579, 10792, 11324, 13112, 14839, 21158, 22648, 29678, 31141, 42316, 59356, 62282, 84632, 116369, 118712, 124564, 201001, 232738, 249128, 402002, 465476, 804004, 930952, 1608008, 2211011, 4422022, 8844044, 17688088]

約数ペア:

[(1, 17688088), (2, 8844044), (4, 4422022), (8, 2211011), (11, 1608008), (19, 930952), (22, 804004), (38, 465476), (44, 402002), (71, 249128), (76, 232738), (88, 201001), (142, 124564), (149, 118712), (152, 116369), (209, 84632), (284, 62282), (298, 59356), (418, 42316), (568, 31141), (596, 29678), (781, 22648), (836, 21158), (1192, 14839), (1349, 13112), (1562, 11324), (1639, 10792), (1672, 10579), (2698, 6556), (2831, 6248), (3124, 5662), (3278, 5396)]