16980984

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{12413}}^1$

素因数の和:12444

約数の個数: 48

約数和(自身を含む): 48414600

約数和(自身を除く): 31433616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 12413, 24826, 37239, 49652, 74478, 99304, 111717, 148956, 223434, 235847, 297912, 446868, 471694, 707541, 893736, 943388, 1415082, 1886776, 2122623, 2830164, 4245246, 5660328, 8490492, 16980984]

約数ペア:

[(1, 16980984), (2, 8490492), (3, 5660328), (4, 4245246), (6, 2830164), (8, 2122623), (9, 1886776), (12, 1415082), (18, 943388), (19, 893736), (24, 707541), (36, 471694), (38, 446868), (57, 297912), (72, 235847), (76, 223434), (114, 148956), (152, 111717), (171, 99304), (228, 74478), (342, 49652), (456, 37239), (684, 24826), (1368, 12413)]