17895568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:144

約数の個数: 60

約数和(自身を含む): 38382960

約数和(自身を除く): 20487392

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 43, 74, 76, 86, 148, 152, 172, 296, 304, 344, 592, 688, 703, 817, 1369, 1406, 1591, 1634, 2738, 2812, 3182, 3268, 5476, 5624, 6364, 6536, 10952, 11248, 12728, 13072, 21904, 25456, 26011, 30229, 52022, 58867, 60458, 104044, 117734, 120916, 208088, 235468, 241832, 416176, 470936, 483664, 941872, 1118473, 2236946, 4473892, 8947784, 17895568]

約数ペア:

[(1, 17895568), (2, 8947784), (4, 4473892), (8, 2236946), (16, 1118473), (19, 941872), (37, 483664), (38, 470936), (43, 416176), (74, 241832), (76, 235468), (86, 208088), (148, 120916), (152, 117734), (172, 104044), (296, 60458), (304, 58867), (344, 52022), (592, 30229), (688, 26011), (703, 25456), (817, 21904), (1369, 13072), (1406, 12728), (1591, 11248), (1634, 10952), (2738, 6536), (2812, 6364), (3182, 5624), (3268, 5476)]