19775030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 39931920

約数和(自身を除く): 20156890

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 121, 242, 277, 295, 554, 590, 605, 649, 1210, 1298, 1385, 2770, 3047, 3245, 6094, 6490, 7139, 14278, 15235, 16343, 30470, 32686, 33517, 35695, 67034, 71390, 81715, 163430, 167585, 179773, 335170, 359546, 898865, 1797730, 1977503, 3955006, 9887515, 19775030]

約数ペア:

[(1, 19775030), (2, 9887515), (5, 3955006), (10, 1977503), (11, 1797730), (22, 898865), (55, 359546), (59, 335170), (110, 179773), (118, 167585), (121, 163430), (242, 81715), (277, 71390), (295, 67034), (554, 35695), (590, 33517), (605, 32686), (649, 30470), (1210, 16343), (1298, 15235), (1385, 14278), (2770, 7139), (3047, 6490), (3245, 6094)]