16891518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 40550400

約数和(自身を除く): 23658882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 47, 86, 94, 129, 141, 199, 258, 282, 301, 329, 398, 597, 602, 658, 903, 987, 1194, 1393, 1806, 1974, 2021, 2786, 4042, 4179, 6063, 8358, 8557, 9353, 12126, 14147, 17114, 18706, 25671, 28059, 28294, 42441, 51342, 56118, 59899, 65471, 84882, 119798, 130942, 179697, 196413, 359394, 392826, 402179, 804358, 1206537, 2413074, 2815253, 5630506, 8445759, 16891518]

約数ペア:

[(1, 16891518), (2, 8445759), (3, 5630506), (6, 2815253), (7, 2413074), (14, 1206537), (21, 804358), (42, 402179), (43, 392826), (47, 359394), (86, 196413), (94, 179697), (129, 130942), (141, 119798), (199, 84882), (258, 65471), (282, 59899), (301, 56118), (329, 51342), (398, 42441), (597, 28294), (602, 28059), (658, 25671), (903, 18706), (987, 17114), (1194, 14147), (1393, 12126), (1806, 9353), (1974, 8557), (2021, 8358), (2786, 6063), (4042, 4179)]