19369360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12743}}^1$

素因数の和:12775

約数の個数: 40

約数和(自身を含む): 47407680

約数和(自身を除く): 28038320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12743, 25486, 50972, 63715, 101944, 127430, 203888, 242117, 254860, 484234, 509720, 968468, 1019440, 1210585, 1936936, 2421170, 3873872, 4842340, 9684680, 19369360]

約数ペア:

[(1, 19369360), (2, 9684680), (4, 4842340), (5, 3873872), (8, 2421170), (10, 1936936), (16, 1210585), (19, 1019440), (20, 968468), (38, 509720), (40, 484234), (76, 254860), (80, 242117), (95, 203888), (152, 127430), (190, 101944), (304, 63715), (380, 50972), (760, 25486), (1520, 12743)]