19992056

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4519}}^1$

素因数の和:4611

約数の個数: 32

約数和(自身を含む): 43392000

約数和(自身を除く): 23399944

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 4519, 9038, 18076, 31633, 36152, 63266, 126532, 253064, 357001, 714002, 1428004, 2499007, 2856008, 4998014, 9996028, 19992056]

約数ペア:

[(1, 19992056), (2, 9996028), (4, 4998014), (7, 2856008), (8, 2499007), (14, 1428004), (28, 714002), (56, 357001), (79, 253064), (158, 126532), (316, 63266), (553, 36152), (632, 31633), (1106, 18076), (2212, 9038), (4424, 4519)]