15841744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:140

約数の個数: 60

約数和(自身を含む): 34184320

約数和(自身を除く): 18342576

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 41, 62, 76, 82, 124, 152, 164, 248, 304, 328, 496, 589, 656, 779, 1178, 1271, 1558, 1681, 2356, 2542, 3116, 3362, 4712, 5084, 6232, 6724, 9424, 10168, 12464, 13448, 20336, 24149, 26896, 31939, 48298, 52111, 63878, 96596, 104222, 127756, 193192, 208444, 255512, 386384, 416888, 511024, 833776, 990109, 1980218, 3960436, 7920872, 15841744]

約数ペア:

[(1, 15841744), (2, 7920872), (4, 3960436), (8, 1980218), (16, 990109), (19, 833776), (31, 511024), (38, 416888), (41, 386384), (62, 255512), (76, 208444), (82, 193192), (124, 127756), (152, 104222), (164, 96596), (248, 63878), (304, 52111), (328, 48298), (496, 31939), (589, 26896), (656, 24149), (779, 20336), (1178, 13448), (1271, 12464), (1558, 10168), (1681, 9424), (2356, 6724), (2542, 6232), (3116, 5084), (3362, 4712)]