19320976

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{283}}^1$

素因数の和:559

約数の個数: 40

約数和(自身を含む): 39934944

約数和(自身を除く): 20613968

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 251, 272, 283, 502, 566, 1004, 1132, 2008, 2264, 4016, 4267, 4528, 4811, 8534, 9622, 17068, 19244, 34136, 38488, 68272, 71033, 76976, 142066, 284132, 568264, 1136528, 1207561, 2415122, 4830244, 9660488, 19320976]

約数ペア:

[(1, 19320976), (2, 9660488), (4, 4830244), (8, 2415122), (16, 1207561), (17, 1136528), (34, 568264), (68, 284132), (136, 142066), (251, 76976), (272, 71033), (283, 68272), (502, 38488), (566, 34136), (1004, 19244), (1132, 17068), (2008, 9622), (2264, 8534), (4016, 4811), (4267, 4528)]