18849684784

素因数分解:

$2^4\times 7^1\times {\mathrm{8641}}^1\times {\mathrm{19477}}^1$

素因数の和:28133

約数の個数: 40

約数和(自身を含む): 41745561248

約数和(自身を除く): 22895876464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 8641, 17282, 19477, 34564, 38954, 60487, 69128, 77908, 120974, 136339, 138256, 155816, 241948, 272678, 311632, 483896, 545356, 967792, 1090712, 2181424, 168300757, 336601514, 673203028, 1178105299, 1346406056, 2356210598, 2692812112, 4712421196, 9424842392, 18849684784]

約数ペア:

[(1, 18849684784), (2, 9424842392), (4, 4712421196), (7, 2692812112), (8, 2356210598), (14, 1346406056), (16, 1178105299), (28, 673203028), (56, 336601514), (112, 168300757), (8641, 2181424), (17282, 1090712), (19477, 967792), (34564, 545356), (38954, 483896), (60487, 311632), (69128, 272678), (77908, 241948), (120974, 155816), (136339, 138256)]