2019742460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{15271}}^1$

素因数の和:15686

約数の個数: 48

約数和(自身を含む): 4502796480

約数和(自身を除く): 2483054020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 389, 778, 1556, 1945, 3890, 6613, 7780, 13226, 15271, 26452, 30542, 33065, 61084, 66130, 76355, 132260, 152710, 259607, 305420, 519214, 1038428, 1298035, 2596070, 5192140, 5940419, 11880838, 23761676, 29702095, 59404190, 100987123, 118808380, 201974246, 403948492, 504935615, 1009871230, 2019742460]

約数ペア:

[(1, 2019742460), (2, 1009871230), (4, 504935615), (5, 403948492), (10, 201974246), (17, 118808380), (20, 100987123), (34, 59404190), (68, 29702095), (85, 23761676), (170, 11880838), (340, 5940419), (389, 5192140), (778, 2596070), (1556, 1298035), (1945, 1038428), (3890, 519214), (6613, 305420), (7780, 259607), (13226, 152710), (15271, 132260), (26452, 76355), (30542, 66130), (33065, 61084)]