19609290

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:625

約数の個数: 80

約数和(自身を含む): 54049248

約数和(自身を除く): 34439958

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 81, 86, 90, 129, 135, 162, 215, 258, 270, 387, 405, 430, 563, 645, 774, 810, 1126, 1161, 1290, 1689, 1935, 2322, 2815, 3378, 3483, 3870, 5067, 5630, 5805, 6966, 8445, 10134, 11610, 15201, 16890, 17415, 24209, 25335, 30402, 34830, 45603, 48418, 50670, 72627, 76005, 91206, 121045, 145254, 152010, 217881, 228015, 242090, 363135, 435762, 456030, 653643, 726270, 1089405, 1307286, 1960929, 2178810, 3268215, 3921858, 6536430, 9804645, 19609290]

約数ペア:

[(1, 19609290), (2, 9804645), (3, 6536430), (5, 3921858), (6, 3268215), (9, 2178810), (10, 1960929), (15, 1307286), (18, 1089405), (27, 726270), (30, 653643), (43, 456030), (45, 435762), (54, 363135), (81, 242090), (86, 228015), (90, 217881), (129, 152010), (135, 145254), (162, 121045), (215, 91206), (258, 76005), (270, 72627), (387, 50670), (405, 48418), (430, 45603), (563, 34830), (645, 30402), (774, 25335), (810, 24209), (1126, 17415), (1161, 16890), (1290, 15201), (1689, 11610), (1935, 10134), (2322, 8445), (2815, 6966), (3378, 5805), (3483, 5630), (3870, 5067)]