19804824

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{2351}}^1$

素因数の和:2382

約数の個数: 80

約数和(自身を含む): 59764320

約数和(自身を除く): 39959496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2351, 2808, 4212, 4702, 7053, 8424, 9404, 14106, 18808, 21159, 28212, 30563, 42318, 56424, 61126, 63477, 84636, 91689, 122252, 126954, 169272, 183378, 190431, 244504, 253908, 275067, 366756, 380862, 507816, 550134, 733512, 761724, 825201, 1100268, 1523448, 1650402, 2200536, 2475603, 3300804, 4951206, 6601608, 9902412, 19804824]

約数ペア:

[(1, 19804824), (2, 9902412), (3, 6601608), (4, 4951206), (6, 3300804), (8, 2475603), (9, 2200536), (12, 1650402), (13, 1523448), (18, 1100268), (24, 825201), (26, 761724), (27, 733512), (36, 550134), (39, 507816), (52, 380862), (54, 366756), (72, 275067), (78, 253908), (81, 244504), (104, 190431), (108, 183378), (117, 169272), (156, 126954), (162, 122252), (216, 91689), (234, 84636), (312, 63477), (324, 61126), (351, 56424), (468, 42318), (648, 30563), (702, 28212), (936, 21159), (1053, 18808), (1404, 14106), (2106, 9404), (2351, 8424), (2808, 7053), (4212, 4702)]