19527676

素因数分解:

$2^2\times 7^3\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 40902400

約数和(自身を除く): 21374724

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 331, 343, 602, 662, 686, 1204, 1324, 1372, 2107, 2317, 4214, 4634, 8428, 9268, 14233, 14749, 16219, 28466, 29498, 32438, 56932, 58996, 64876, 99631, 113533, 199262, 227066, 398524, 454132, 697417, 1394834, 2789668, 4881919, 9763838, 19527676]

約数ペア:

[(1, 19527676), (2, 9763838), (4, 4881919), (7, 2789668), (14, 1394834), (28, 697417), (43, 454132), (49, 398524), (86, 227066), (98, 199262), (172, 113533), (196, 99631), (301, 64876), (331, 58996), (343, 56932), (602, 32438), (662, 29498), (686, 28466), (1204, 16219), (1324, 14749), (1372, 14233), (2107, 9268), (2317, 8428), (4214, 4634)]