1921770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:307

約数の個数: 48

約数和(自身を含む): 5065632

約数和(自身を除く): 3143862

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 163, 262, 326, 393, 489, 655, 786, 815, 978, 1179, 1310, 1467, 1630, 1965, 2358, 2445, 2934, 3930, 4890, 5895, 7335, 11790, 14670, 21353, 42706, 64059, 106765, 128118, 192177, 213530, 320295, 384354, 640590, 960885, 1921770]

約数ペア:

[(1, 1921770), (2, 960885), (3, 640590), (5, 384354), (6, 320295), (9, 213530), (10, 192177), (15, 128118), (18, 106765), (30, 64059), (45, 42706), (90, 21353), (131, 14670), (163, 11790), (262, 7335), (326, 5895), (393, 4890), (489, 3930), (655, 2934), (786, 2445), (815, 2358), (978, 1965), (1179, 1630), (1310, 1467)]