19984464

素因数分解:

$2^4\times 3^2\times {\mathrm{137}}^1\times {\mathrm{1013}}^1$

素因数の和:1164

約数の個数: 60

約数和(自身を含む): 56392596

約数和(自身を除く): 36408132

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 137, 144, 274, 411, 548, 822, 1013, 1096, 1233, 1644, 2026, 2192, 2466, 3039, 3288, 4052, 4932, 6078, 6576, 8104, 9117, 9864, 12156, 16208, 18234, 19728, 24312, 36468, 48624, 72936, 138781, 145872, 277562, 416343, 555124, 832686, 1110248, 1249029, 1665372, 2220496, 2498058, 3330744, 4996116, 6661488, 9992232, 19984464]

約数ペア:

[(1, 19984464), (2, 9992232), (3, 6661488), (4, 4996116), (6, 3330744), (8, 2498058), (9, 2220496), (12, 1665372), (16, 1249029), (18, 1110248), (24, 832686), (36, 555124), (48, 416343), (72, 277562), (137, 145872), (144, 138781), (274, 72936), (411, 48624), (548, 36468), (822, 24312), (1013, 19728), (1096, 18234), (1233, 16208), (1644, 12156), (2026, 9864), (2192, 9117), (2466, 8104), (3039, 6576), (3288, 6078), (4052, 4932)]