18984812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1163}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 42239232

約数和(自身を除く): 23254420

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 53, 77, 106, 154, 212, 308, 371, 583, 742, 1163, 1166, 1484, 2326, 2332, 4081, 4652, 8141, 8162, 12793, 16282, 16324, 25586, 32564, 51172, 61639, 89551, 123278, 179102, 246556, 358204, 431473, 678029, 862946, 1356058, 1725892, 2712116, 4746203, 9492406, 18984812]

約数ペア:

[(1, 18984812), (2, 9492406), (4, 4746203), (7, 2712116), (11, 1725892), (14, 1356058), (22, 862946), (28, 678029), (44, 431473), (53, 358204), (77, 246556), (106, 179102), (154, 123278), (212, 89551), (308, 61639), (371, 51172), (583, 32564), (742, 25586), (1163, 16324), (1166, 16282), (1484, 12793), (2326, 8162), (2332, 8141), (4081, 4652)]