19784310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7247}}^1$

素因数の和:7277

約数の個数: 64

約数和(自身を含む): 58447872

約数和(自身を除く): 38663562

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7247, 14494, 21741, 36235, 43482, 50729, 72470, 94211, 101458, 108705, 152187, 188422, 217410, 253645, 282633, 304374, 471055, 507290, 565266, 659477, 760935, 942110, 1318954, 1413165, 1521870, 1978431, 2826330, 3297385, 3956862, 6594770, 9892155, 19784310]

約数ペア:

[(1, 19784310), (2, 9892155), (3, 6594770), (5, 3956862), (6, 3297385), (7, 2826330), (10, 1978431), (13, 1521870), (14, 1413165), (15, 1318954), (21, 942110), (26, 760935), (30, 659477), (35, 565266), (39, 507290), (42, 471055), (65, 304374), (70, 282633), (78, 253645), (91, 217410), (105, 188422), (130, 152187), (182, 108705), (195, 101458), (210, 94211), (273, 72470), (390, 50729), (455, 43482), (546, 36235), (910, 21741), (1365, 14494), (2730, 7247)]