19914664

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2939}}^1$

素因数の和:2974

約数の個数: 48

約数和(自身を含む): 46922400

約数和(自身を除く): 27007736

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 2939, 3388, 5878, 6776, 11756, 20573, 23512, 32329, 41146, 64658, 82292, 129316, 164584, 226303, 258632, 355619, 452606, 711238, 905212, 1422476, 1810424, 2489333, 2844952, 4978666, 9957332, 19914664]

約数ペア:

[(1, 19914664), (2, 9957332), (4, 4978666), (7, 2844952), (8, 2489333), (11, 1810424), (14, 1422476), (22, 905212), (28, 711238), (44, 452606), (56, 355619), (77, 258632), (88, 226303), (121, 164584), (154, 129316), (242, 82292), (308, 64658), (484, 41146), (616, 32329), (847, 23512), (968, 20573), (1694, 11756), (2939, 6776), (3388, 5878)]