19536890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{491}}^1$

素因数の和:694

約数の個数: 32

約数和(自身を含む): 36982656

約数和(自身を除く): 17445766

約数列:

[1, 2, 5, 10, 23, 46, 115, 173, 230, 346, 491, 865, 982, 1730, 2455, 3979, 4910, 7958, 11293, 19895, 22586, 39790, 56465, 84943, 112930, 169886, 424715, 849430, 1953689, 3907378, 9768445, 19536890]

約数ペア:

[(1, 19536890), (2, 9768445), (5, 3907378), (10, 1953689), (23, 849430), (46, 424715), (115, 169886), (173, 112930), (230, 84943), (346, 56465), (491, 39790), (865, 22586), (982, 19895), (1730, 11293), (2455, 7958), (3979, 4910)]