19770128

素因数分解:

$2^4\times 7^2\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:340

約数の個数: 60

約数和(自身を含む): 45122112

約数和(自身を除く): 25351984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 151, 167, 196, 302, 334, 392, 604, 668, 784, 1057, 1169, 1208, 1336, 2114, 2338, 2416, 2672, 4228, 4676, 7399, 8183, 8456, 9352, 14798, 16366, 16912, 18704, 25217, 29596, 32732, 50434, 59192, 65464, 100868, 118384, 130928, 176519, 201736, 353038, 403472, 706076, 1235633, 1412152, 2471266, 2824304, 4942532, 9885064, 19770128]

約数ペア:

[(1, 19770128), (2, 9885064), (4, 4942532), (7, 2824304), (8, 2471266), (14, 1412152), (16, 1235633), (28, 706076), (49, 403472), (56, 353038), (98, 201736), (112, 176519), (151, 130928), (167, 118384), (196, 100868), (302, 65464), (334, 59192), (392, 50434), (604, 32732), (668, 29596), (784, 25217), (1057, 18704), (1169, 16912), (1208, 16366), (1336, 14798), (2114, 9352), (2338, 8456), (2416, 8183), (2672, 7399), (4228, 4676)]