19946040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{463}}^1$

素因数の和:836

約数の個数: 64

約数和(自身を含む): 60134400

約数和(自身を除く): 40188360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 359, 463, 718, 926, 1077, 1389, 1436, 1795, 1852, 2154, 2315, 2778, 2872, 3590, 3704, 4308, 4630, 5385, 5556, 6945, 7180, 8616, 9260, 10770, 11112, 13890, 14360, 18520, 21540, 27780, 43080, 55560, 166217, 332434, 498651, 664868, 831085, 997302, 1329736, 1662170, 1994604, 2493255, 3324340, 3989208, 4986510, 6648680, 9973020, 19946040]

約数ペア:

[(1, 19946040), (2, 9973020), (3, 6648680), (4, 4986510), (5, 3989208), (6, 3324340), (8, 2493255), (10, 1994604), (12, 1662170), (15, 1329736), (20, 997302), (24, 831085), (30, 664868), (40, 498651), (60, 332434), (120, 166217), (359, 55560), (463, 43080), (718, 27780), (926, 21540), (1077, 18520), (1389, 14360), (1436, 13890), (1795, 11112), (1852, 10770), (2154, 9260), (2315, 8616), (2778, 7180), (2872, 6945), (3590, 5556), (3704, 5385), (4308, 4630)]