19089990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4513}}^1$

素因数の和:4573

約数の個数: 48

約数和(自身を含む): 50701248

約数和(自身を除く): 31611258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 235, 282, 423, 470, 705, 846, 1410, 2115, 4230, 4513, 9026, 13539, 22565, 27078, 40617, 45130, 67695, 81234, 135390, 203085, 212111, 406170, 424222, 636333, 1060555, 1272666, 1908999, 2121110, 3181665, 3817998, 6363330, 9544995, 19089990]

約数ペア:

[(1, 19089990), (2, 9544995), (3, 6363330), (5, 3817998), (6, 3181665), (9, 2121110), (10, 1908999), (15, 1272666), (18, 1060555), (30, 636333), (45, 424222), (47, 406170), (90, 212111), (94, 203085), (141, 135390), (235, 81234), (282, 67695), (423, 45130), (470, 40617), (705, 27078), (846, 22565), (1410, 13539), (2115, 9026), (4230, 4513)]