19982016

素因数分解:

$2^6\times 3^2\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:438

約数の個数: 84

約数和(自身を含む): 57969912

約数和(自身を除く): 37987896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 113, 144, 192, 226, 288, 307, 339, 452, 576, 614, 678, 904, 921, 1017, 1228, 1356, 1808, 1842, 2034, 2456, 2712, 2763, 3616, 3684, 4068, 4912, 5424, 5526, 7232, 7368, 8136, 9824, 10848, 11052, 14736, 16272, 19648, 21696, 22104, 29472, 32544, 34691, 44208, 58944, 65088, 69382, 88416, 104073, 138764, 176832, 208146, 277528, 312219, 416292, 555056, 624438, 832584, 1110112, 1248876, 1665168, 2220224, 2497752, 3330336, 4995504, 6660672, 9991008, 19982016]

約数ペア:

[(1, 19982016), (2, 9991008), (3, 6660672), (4, 4995504), (6, 3330336), (8, 2497752), (9, 2220224), (12, 1665168), (16, 1248876), (18, 1110112), (24, 832584), (32, 624438), (36, 555056), (48, 416292), (64, 312219), (72, 277528), (96, 208146), (113, 176832), (144, 138764), (192, 104073), (226, 88416), (288, 69382), (307, 65088), (339, 58944), (452, 44208), (576, 34691), (614, 32544), (678, 29472), (904, 22104), (921, 21696), (1017, 19648), (1228, 16272), (1356, 14736), (1808, 11052), (1842, 10848), (2034, 9824), (2456, 8136), (2712, 7368), (2763, 7232), (3616, 5526), (3684, 5424), (4068, 4912)]