19680066

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:496

約数の個数: 72

約数和(自身を含む): 50657724

約数和(自身を除く): 30977658

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 53, 63, 98, 106, 126, 147, 159, 294, 318, 371, 421, 441, 477, 742, 842, 882, 954, 1113, 1263, 2226, 2526, 2597, 2947, 3339, 3789, 5194, 5894, 6678, 7578, 7791, 8841, 15582, 17682, 20629, 22313, 23373, 26523, 41258, 44626, 46746, 53046, 61887, 66939, 123774, 133878, 156191, 185661, 200817, 312382, 371322, 401634, 468573, 937146, 1093337, 1405719, 2186674, 2811438, 3280011, 6560022, 9840033, 19680066]

約数ペア:

[(1, 19680066), (2, 9840033), (3, 6560022), (6, 3280011), (7, 2811438), (9, 2186674), (14, 1405719), (18, 1093337), (21, 937146), (42, 468573), (49, 401634), (53, 371322), (63, 312382), (98, 200817), (106, 185661), (126, 156191), (147, 133878), (159, 123774), (294, 66939), (318, 61887), (371, 53046), (421, 46746), (441, 44626), (477, 41258), (742, 26523), (842, 23373), (882, 22313), (954, 20629), (1113, 17682), (1263, 15582), (2226, 8841), (2526, 7791), (2597, 7578), (2947, 6678), (3339, 5894), (3789, 5194)]