19961604

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:246

約数の個数: 108

約数和(自身を含む): 58152276

約数和(自身を除く): 38190672

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 169, 193, 204, 221, 234, 306, 338, 386, 442, 468, 507, 579, 612, 663, 676, 772, 884, 1014, 1158, 1326, 1521, 1737, 1989, 2028, 2316, 2509, 2652, 2873, 3042, 3281, 3474, 3978, 5018, 5746, 6084, 6562, 6948, 7527, 7956, 8619, 9843, 10036, 11492, 13124, 15054, 17238, 19686, 22581, 25857, 29529, 30108, 32617, 34476, 39372, 42653, 45162, 51714, 59058, 65234, 85306, 90324, 97851, 103428, 118116, 127959, 130468, 170612, 195702, 255918, 293553, 383877, 391404, 511836, 554489, 587106, 767754, 1108978, 1174212, 1535508, 1663467, 2217956, 3326934, 4990401, 6653868, 9980802, 19961604]

約数ペア:

[(1, 19961604), (2, 9980802), (3, 6653868), (4, 4990401), (6, 3326934), (9, 2217956), (12, 1663467), (13, 1535508), (17, 1174212), (18, 1108978), (26, 767754), (34, 587106), (36, 554489), (39, 511836), (51, 391404), (52, 383877), (68, 293553), (78, 255918), (102, 195702), (117, 170612), (153, 130468), (156, 127959), (169, 118116), (193, 103428), (204, 97851), (221, 90324), (234, 85306), (306, 65234), (338, 59058), (386, 51714), (442, 45162), (468, 42653), (507, 39372), (579, 34476), (612, 32617), (663, 30108), (676, 29529), (772, 25857), (884, 22581), (1014, 19686), (1158, 17238), (1326, 15054), (1521, 13124), (1737, 11492), (1989, 10036), (2028, 9843), (2316, 8619), (2509, 7956), (2652, 7527), (2873, 6948), (3042, 6562), (3281, 6084), (3474, 5746), (3978, 5018)]