1641904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:529

約数の個数: 40

約数和(自身を含む): 3660480

約数和(自身を除く): 2018576

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 491, 836, 982, 1672, 1964, 3344, 3928, 5401, 7856, 9329, 10802, 18658, 21604, 37316, 43208, 74632, 86416, 102619, 149264, 205238, 410476, 820952, 1641904]

約数ペア:

[(1, 1641904), (2, 820952), (4, 410476), (8, 205238), (11, 149264), (16, 102619), (19, 86416), (22, 74632), (38, 43208), (44, 37316), (76, 21604), (88, 18658), (152, 10802), (176, 9329), (209, 7856), (304, 5401), (418, 3928), (491, 3344), (836, 1964), (982, 1672)]