17980688

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{283}}^1$

素因数の和:340

約数の個数: 60

約数和(自身を含む): 40251888

約数和(自身を除く): 22271200

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 283, 304, 361, 418, 566, 722, 836, 1132, 1444, 1672, 2264, 2888, 3113, 3344, 3971, 4528, 5377, 5776, 6226, 7942, 10754, 12452, 15884, 21508, 24904, 31768, 43016, 49808, 59147, 63536, 86032, 102163, 118294, 204326, 236588, 408652, 473176, 817304, 946352, 1123793, 1634608, 2247586, 4495172, 8990344, 17980688]

約数ペア:

[(1, 17980688), (2, 8990344), (4, 4495172), (8, 2247586), (11, 1634608), (16, 1123793), (19, 946352), (22, 817304), (38, 473176), (44, 408652), (76, 236588), (88, 204326), (152, 118294), (176, 102163), (209, 86032), (283, 63536), (304, 59147), (361, 49808), (418, 43016), (566, 31768), (722, 24904), (836, 21508), (1132, 15884), (1444, 12452), (1672, 10754), (2264, 7942), (2888, 6226), (3113, 5776), (3344, 5377), (3971, 4528)]