19578690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1031}}^1$

素因数の和:1255

約数の個数: 48

約数和(自身を含む): 51195456

約数和(自身を除く): 31616766

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 211, 422, 633, 1031, 1055, 1266, 1899, 2062, 2110, 3093, 3165, 3798, 5155, 6186, 6330, 9279, 9495, 10310, 15465, 18558, 18990, 30930, 46395, 92790, 217541, 435082, 652623, 1087705, 1305246, 1957869, 2175410, 3263115, 3915738, 6526230, 9789345, 19578690]

約数ペア:

[(1, 19578690), (2, 9789345), (3, 6526230), (5, 3915738), (6, 3263115), (9, 2175410), (10, 1957869), (15, 1305246), (18, 1087705), (30, 652623), (45, 435082), (90, 217541), (211, 92790), (422, 46395), (633, 30930), (1031, 18990), (1055, 18558), (1266, 15465), (1899, 10310), (2062, 9495), (2110, 9279), (3093, 6330), (3165, 6186), (3798, 5155)]