19386715460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{308411}}^1$

素因数の和:308876

約数の個数: 48

約数和(自身を含む): 46631894400

約数和(自身を除く): 27245178940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 449, 898, 1796, 2245, 3143, 4490, 6286, 8980, 12572, 15715, 31430, 62860, 308411, 616822, 1233644, 1542055, 2158877, 3084110, 4317754, 6168220, 8635508, 10794385, 21588770, 43177540, 138476539, 276953078, 553906156, 692382695, 969335773, 1384765390, 1938671546, 2769530780, 3877343092, 4846678865, 9693357730, 19386715460]

約数ペア:

[(1, 19386715460), (2, 9693357730), (4, 4846678865), (5, 3877343092), (7, 2769530780), (10, 1938671546), (14, 1384765390), (20, 969335773), (28, 692382695), (35, 553906156), (70, 276953078), (140, 138476539), (449, 43177540), (898, 21588770), (1796, 10794385), (2245, 8635508), (3143, 6168220), (4490, 4317754), (6286, 3084110), (8980, 2158877), (12572, 1542055), (15715, 1233644), (31430, 616822), (62860, 308411)]