17818238

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 31272480

約数和(自身を除く): 13454242

約数列:

[1, 2, 19, 23, 29, 37, 38, 46, 58, 74, 361, 437, 551, 667, 703, 722, 851, 874, 1073, 1102, 1334, 1406, 1702, 2146, 8303, 10469, 12673, 13357, 16169, 16606, 20387, 20938, 24679, 25346, 26714, 32338, 40774, 49358, 240787, 307211, 387353, 468901, 481574, 614422, 774706, 937802, 8909119, 17818238]

約数ペア:

[(1, 17818238), (2, 8909119), (19, 937802), (23, 774706), (29, 614422), (37, 481574), (38, 468901), (46, 387353), (58, 307211), (74, 240787), (361, 49358), (437, 40774), (551, 32338), (667, 26714), (703, 25346), (722, 24679), (851, 20938), (874, 20387), (1073, 16606), (1102, 16169), (1334, 13357), (1406, 12673), (1702, 10469), (2146, 8303)]