17679880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 42926400

約数和(自身を除く): 25246520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 541, 760, 817, 860, 1082, 1634, 1720, 2164, 2705, 3268, 4085, 4328, 5410, 6536, 8170, 10279, 10820, 16340, 20558, 21640, 23263, 32680, 41116, 46526, 51395, 82232, 93052, 102790, 116315, 186104, 205580, 232630, 411160, 441997, 465260, 883994, 930520, 1767988, 2209985, 3535976, 4419970, 8839940, 17679880]

約数ペア:

[(1, 17679880), (2, 8839940), (4, 4419970), (5, 3535976), (8, 2209985), (10, 1767988), (19, 930520), (20, 883994), (38, 465260), (40, 441997), (43, 411160), (76, 232630), (86, 205580), (95, 186104), (152, 116315), (172, 102790), (190, 93052), (215, 82232), (344, 51395), (380, 46526), (430, 41116), (541, 32680), (760, 23263), (817, 21640), (860, 20558), (1082, 16340), (1634, 10820), (1720, 10279), (2164, 8170), (2705, 6536), (3268, 5410), (4085, 4328)]