16605918

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 25972002

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 197, 223, 378, 394, 446, 591, 669, 1182, 1338, 1379, 1561, 1773, 2007, 2758, 3122, 3546, 4014, 4137, 4683, 5319, 6021, 8274, 9366, 10638, 12042, 12411, 14049, 24822, 28098, 37233, 42147, 43931, 74466, 84294, 87862, 131793, 263586, 307517, 395379, 615034, 790758, 922551, 1186137, 1845102, 2372274, 2767653, 5535306, 8302959, 16605918]

約数ペア:

[(1, 16605918), (2, 8302959), (3, 5535306), (6, 2767653), (7, 2372274), (9, 1845102), (14, 1186137), (18, 922551), (21, 790758), (27, 615034), (42, 395379), (54, 307517), (63, 263586), (126, 131793), (189, 87862), (197, 84294), (223, 74466), (378, 43931), (394, 42147), (446, 37233), (591, 28098), (669, 24822), (1182, 14049), (1338, 12411), (1379, 12042), (1561, 10638), (1773, 9366), (2007, 8274), (2758, 6021), (3122, 5319), (3546, 4683), (4014, 4137)]