18174156980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1643233}}^1$

素因数の和:1643328

約数の個数: 48

約数和(自身を含む): 44170129920

約数和(自身を除く): 25995972940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 1643233, 3286466, 6572932, 8216165, 11502631, 16432330, 23005262, 32864660, 46010524, 57513155, 115026310, 129815407, 230052620, 259630814, 519261628, 649077035, 908707849, 1298154070, 1817415698, 2596308140, 3634831396, 4543539245, 9087078490, 18174156980]

約数ペア:

[(1, 18174156980), (2, 9087078490), (4, 4543539245), (5, 3634831396), (7, 2596308140), (10, 1817415698), (14, 1298154070), (20, 908707849), (28, 649077035), (35, 519261628), (70, 259630814), (79, 230052620), (140, 129815407), (158, 115026310), (316, 57513155), (395, 46010524), (553, 32864660), (790, 23005262), (1106, 16432330), (1580, 11502631), (2212, 8216165), (2765, 6572932), (5530, 3286466), (11060, 1643233)]