17840872

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 40550400

約数和(自身を除く): 22709528

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 43, 56, 62, 86, 124, 172, 217, 239, 248, 301, 344, 434, 478, 602, 868, 956, 1204, 1333, 1673, 1736, 1912, 2408, 2666, 3346, 5332, 6692, 7409, 9331, 10277, 10664, 13384, 14818, 18662, 20554, 29636, 37324, 41108, 51863, 59272, 71939, 74648, 82216, 103726, 143878, 207452, 287756, 318587, 414904, 575512, 637174, 1274348, 2230109, 2548696, 4460218, 8920436, 17840872]

約数ペア:

[(1, 17840872), (2, 8920436), (4, 4460218), (7, 2548696), (8, 2230109), (14, 1274348), (28, 637174), (31, 575512), (43, 414904), (56, 318587), (62, 287756), (86, 207452), (124, 143878), (172, 103726), (217, 82216), (239, 74648), (248, 71939), (301, 59272), (344, 51863), (434, 41108), (478, 37324), (602, 29636), (868, 20554), (956, 18662), (1204, 14818), (1333, 13384), (1673, 10664), (1736, 10277), (1912, 9331), (2408, 7409), (2666, 6692), (3346, 5332)]