2019419320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{51047}}^1$

素因数の和:51124

約数の個数: 64

約数和(自身を含む): 4851601920

約数和(自身を除く): 2832182600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 3956, 4945, 7912, 9890, 19780, 39560, 51047, 102094, 204188, 255235, 408376, 510470, 1020940, 1174081, 2041880, 2195021, 2348162, 4390042, 4696324, 5870405, 8780084, 9392648, 10975105, 11740810, 17560168, 21950210, 23481620, 43900420, 46963240, 50485483, 87800840, 100970966, 201941932, 252427415, 403883864, 504854830, 1009709660, 2019419320]

約数ペア:

[(1, 2019419320), (2, 1009709660), (4, 504854830), (5, 403883864), (8, 252427415), (10, 201941932), (20, 100970966), (23, 87800840), (40, 50485483), (43, 46963240), (46, 43900420), (86, 23481620), (92, 21950210), (115, 17560168), (172, 11740810), (184, 10975105), (215, 9392648), (230, 8780084), (344, 5870405), (430, 4696324), (460, 4390042), (860, 2348162), (920, 2195021), (989, 2041880), (1720, 1174081), (1978, 1020940), (3956, 510470), (4945, 408376), (7912, 255235), (9890, 204188), (19780, 102094), (39560, 51047)]