19430078980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1\times {\mathrm{76963}}^1$

素因数の和:77956

約数の個数: 48

約数和(自身を含む): 43987696704

約数和(自身を除く): 24557617724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 971, 1942, 3884, 4855, 9710, 12623, 19420, 25246, 50492, 63115, 76963, 126230, 153926, 252460, 307852, 384815, 769630, 1000519, 1539260, 2001038, 4002076, 5002595, 10005190, 20010380, 74731073, 149462146, 298924292, 373655365, 747310730, 971503949, 1494621460, 1943007898, 3886015796, 4857519745, 9715039490, 19430078980]

約数ペア:

[(1, 19430078980), (2, 9715039490), (4, 4857519745), (5, 3886015796), (10, 1943007898), (13, 1494621460), (20, 971503949), (26, 747310730), (52, 373655365), (65, 298924292), (130, 149462146), (260, 74731073), (971, 20010380), (1942, 10005190), (3884, 5002595), (4855, 4002076), (9710, 2001038), (12623, 1539260), (19420, 1000519), (25246, 769630), (50492, 384815), (63115, 307852), (76963, 252460), (126230, 153926)]