19541736

素因数分解:

$2^3\times 3^4\times {\mathrm{53}}^1\times {\mathrm{569}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 55865700

約数和(自身を除く): 36323964

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 53, 54, 72, 81, 106, 108, 159, 162, 212, 216, 318, 324, 424, 477, 569, 636, 648, 954, 1138, 1272, 1431, 1707, 1908, 2276, 2862, 3414, 3816, 4293, 4552, 5121, 5724, 6828, 8586, 10242, 11448, 13656, 15363, 17172, 20484, 30157, 30726, 34344, 40968, 46089, 60314, 61452, 90471, 92178, 120628, 122904, 180942, 184356, 241256, 271413, 361884, 368712, 542826, 723768, 814239, 1085652, 1628478, 2171304, 2442717, 3256956, 4885434, 6513912, 9770868, 19541736]

約数ペア:

[(1, 19541736), (2, 9770868), (3, 6513912), (4, 4885434), (6, 3256956), (8, 2442717), (9, 2171304), (12, 1628478), (18, 1085652), (24, 814239), (27, 723768), (36, 542826), (53, 368712), (54, 361884), (72, 271413), (81, 241256), (106, 184356), (108, 180942), (159, 122904), (162, 120628), (212, 92178), (216, 90471), (318, 61452), (324, 60314), (424, 46089), (477, 40968), (569, 34344), (636, 30726), (648, 30157), (954, 20484), (1138, 17172), (1272, 15363), (1431, 13656), (1707, 11448), (1908, 10242), (2276, 8586), (2862, 6828), (3414, 5724), (3816, 5121), (4293, 4552)]