12903926

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 23520000

約数和(自身を除く): 10616074

約数列:

[1, 2, 7, 14, 19, 38, 133, 139, 266, 278, 349, 698, 973, 1946, 2443, 2641, 4886, 5282, 6631, 13262, 18487, 36974, 46417, 48511, 92834, 97022, 339577, 679154, 921709, 1843418, 6451963, 12903926]

約数ペア:

[(1, 12903926), (2, 6451963), (7, 1843418), (14, 921709), (19, 679154), (38, 339577), (133, 97022), (139, 92834), (266, 48511), (278, 46417), (349, 36974), (698, 18487), (973, 13262), (1946, 6631), (2443, 5282), (2641, 4886)]