19367684

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 40836096

約数和(自身を除く): 21468412

約数列:

[1, 2, 4, 7, 14, 28, 31, 53, 62, 106, 124, 212, 217, 371, 421, 434, 742, 842, 868, 1484, 1643, 1684, 2947, 3286, 5894, 6572, 11501, 11788, 13051, 22313, 23002, 26102, 44626, 46004, 52204, 89252, 91357, 156191, 182714, 312382, 365428, 624764, 691703, 1383406, 2766812, 4841921, 9683842, 19367684]

約数ペア:

[(1, 19367684), (2, 9683842), (4, 4841921), (7, 2766812), (14, 1383406), (28, 691703), (31, 624764), (53, 365428), (62, 312382), (106, 182714), (124, 156191), (212, 91357), (217, 89252), (371, 52204), (421, 46004), (434, 44626), (742, 26102), (842, 23002), (868, 22313), (1484, 13051), (1643, 11788), (1684, 11501), (2947, 6572), (3286, 5894)]