19552520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1979}}^1$

素因数の和:2022

約数の個数: 64

約数和(自身を含む): 49896000

約数和(自身を除く): 30343480

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 1979, 2470, 3958, 4940, 7916, 9880, 9895, 15832, 19790, 25727, 37601, 39580, 51454, 75202, 79160, 102908, 128635, 150404, 188005, 205816, 257270, 300808, 376010, 488813, 514540, 752020, 977626, 1029080, 1504040, 1955252, 2444065, 3910504, 4888130, 9776260, 19552520]

約数ペア:

[(1, 19552520), (2, 9776260), (4, 4888130), (5, 3910504), (8, 2444065), (10, 1955252), (13, 1504040), (19, 1029080), (20, 977626), (26, 752020), (38, 514540), (40, 488813), (52, 376010), (65, 300808), (76, 257270), (95, 205816), (104, 188005), (130, 150404), (152, 128635), (190, 102908), (247, 79160), (260, 75202), (380, 51454), (494, 39580), (520, 37601), (760, 25727), (988, 19790), (1235, 15832), (1976, 9895), (1979, 9880), (2470, 7916), (3958, 4940)]