19919368

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5309}}^1$

素因数の和:5389

約数の個数: 32

約数和(自身を含む): 43329600

約数和(自身を除く): 23410232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 5309, 10618, 21236, 37163, 42472, 74326, 148652, 297304, 355703, 711406, 1422812, 2489921, 2845624, 4979842, 9959684, 19919368]

約数ペア:

[(1, 19919368), (2, 9959684), (4, 4979842), (7, 2845624), (8, 2489921), (14, 1422812), (28, 711406), (56, 355703), (67, 297304), (134, 148652), (268, 74326), (469, 42472), (536, 37163), (938, 21236), (1876, 10618), (3752, 5309)]