18877428

素因数分解:

$2^2\times 3^3\times {\mathrm{103}}^1\times {\mathrm{1697}}^1$

素因数の和:1813

約数の個数: 48

約数和(自身を含む): 49445760

約数和(自身を除く): 30568332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 103, 108, 206, 309, 412, 618, 927, 1236, 1697, 1854, 2781, 3394, 3708, 5091, 5562, 6788, 10182, 11124, 15273, 20364, 30546, 45819, 61092, 91638, 174791, 183276, 349582, 524373, 699164, 1048746, 1573119, 2097492, 3146238, 4719357, 6292476, 9438714, 18877428]

約数ペア:

[(1, 18877428), (2, 9438714), (3, 6292476), (4, 4719357), (6, 3146238), (9, 2097492), (12, 1573119), (18, 1048746), (27, 699164), (36, 524373), (54, 349582), (103, 183276), (108, 174791), (206, 91638), (309, 61092), (412, 45819), (618, 30546), (927, 20364), (1236, 15273), (1697, 11124), (1854, 10182), (2781, 6788), (3394, 5562), (3708, 5091)]