19826672

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:465

約数の個数: 40

約数和(自身を含む): 39948336

約数和(自身を除く): 20121664

約数列:

[1, 2, 4, 8, 16, 37, 74, 107, 148, 214, 296, 313, 428, 592, 626, 856, 1252, 1712, 2504, 3959, 5008, 7918, 11581, 15836, 23162, 31672, 33491, 46324, 63344, 66982, 92648, 133964, 185296, 267928, 535856, 1239167, 2478334, 4956668, 9913336, 19826672]

約数ペア:

[(1, 19826672), (2, 9913336), (4, 4956668), (8, 2478334), (16, 1239167), (37, 535856), (74, 267928), (107, 185296), (148, 133964), (214, 92648), (296, 66982), (313, 63344), (428, 46324), (592, 33491), (626, 31672), (856, 23162), (1252, 15836), (1712, 11581), (2504, 7918), (3959, 5008)]