19090816

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 40698000

約数和(自身を除く): 21607184

約数列:

[1, 2, 4, 8, 16, 29, 32, 37, 58, 64, 74, 116, 128, 139, 148, 232, 278, 296, 464, 556, 592, 928, 1073, 1112, 1184, 1856, 2146, 2224, 2368, 3712, 4031, 4292, 4448, 4736, 5143, 8062, 8584, 8896, 10286, 16124, 17168, 17792, 20572, 32248, 34336, 41144, 64496, 68672, 82288, 128992, 137344, 149147, 164576, 257984, 298294, 329152, 515968, 596588, 658304, 1193176, 2386352, 4772704, 9545408, 19090816]

約数ペア:

[(1, 19090816), (2, 9545408), (4, 4772704), (8, 2386352), (16, 1193176), (29, 658304), (32, 596588), (37, 515968), (58, 329152), (64, 298294), (74, 257984), (116, 164576), (128, 149147), (139, 137344), (148, 128992), (232, 82288), (278, 68672), (296, 64496), (464, 41144), (556, 34336), (592, 32248), (928, 20572), (1073, 17792), (1112, 17168), (1184, 16124), (1856, 10286), (2146, 8896), (2224, 8584), (2368, 8062), (3712, 5143), (4031, 4736), (4292, 4448)]