17650468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 36368640

約数和(自身を除く): 18718172

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 172, 209, 418, 473, 491, 817, 836, 946, 982, 1634, 1892, 1964, 3268, 5401, 8987, 9329, 10802, 17974, 18658, 21113, 21604, 35948, 37316, 42226, 84452, 102619, 205238, 232243, 401147, 410476, 464486, 802294, 928972, 1604588, 4412617, 8825234, 17650468]

約数ペア:

[(1, 17650468), (2, 8825234), (4, 4412617), (11, 1604588), (19, 928972), (22, 802294), (38, 464486), (43, 410476), (44, 401147), (76, 232243), (86, 205238), (172, 102619), (209, 84452), (418, 42226), (473, 37316), (491, 35948), (817, 21604), (836, 21113), (946, 18658), (982, 17974), (1634, 10802), (1892, 9329), (1964, 8987), (3268, 5401)]