18319518

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{419}}^1$

素因数の和:781

約数の個数: 48

約数和(自身を含む): 45601920

約数和(自身を除く): 27282402

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 347, 419, 694, 838, 1041, 1257, 2082, 2429, 2514, 2933, 3123, 3771, 4858, 5866, 6246, 7287, 7542, 8799, 14574, 17598, 21861, 26397, 43722, 52794, 145393, 290786, 436179, 872358, 1017751, 1308537, 2035502, 2617074, 3053253, 6106506, 9159759, 18319518]

約数ペア:

[(1, 18319518), (2, 9159759), (3, 6106506), (6, 3053253), (7, 2617074), (9, 2035502), (14, 1308537), (18, 1017751), (21, 872358), (42, 436179), (63, 290786), (126, 145393), (347, 52794), (419, 43722), (694, 26397), (838, 21861), (1041, 17598), (1257, 14574), (2082, 8799), (2429, 7542), (2514, 7287), (2933, 6246), (3123, 5866), (3771, 4858)]