19739272

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5261}}^1$

素因数の和:5341

約数の個数: 32

約数和(自身を含む): 42937920

約数和(自身を除く): 23198648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 5261, 10522, 21044, 36827, 42088, 73654, 147308, 294616, 352487, 704974, 1409948, 2467409, 2819896, 4934818, 9869636, 19739272]

約数ペア:

[(1, 19739272), (2, 9869636), (4, 4934818), (7, 2819896), (8, 2467409), (14, 1409948), (28, 704974), (56, 352487), (67, 294616), (134, 147308), (268, 73654), (469, 42088), (536, 36827), (938, 21044), (1876, 10522), (3752, 5261)]