19602090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{617}}^1$

素因数の和:983

約数の個数: 48

約数和(自身を含む): 51192648

約数和(自身を除く): 31590558

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 353, 617, 706, 1059, 1234, 1765, 1851, 2118, 3085, 3177, 3530, 3702, 5295, 5553, 6170, 6354, 9255, 10590, 11106, 15885, 18510, 27765, 31770, 55530, 217801, 435602, 653403, 1089005, 1306806, 1960209, 2178010, 3267015, 3920418, 6534030, 9801045, 19602090]

約数ペア:

[(1, 19602090), (2, 9801045), (3, 6534030), (5, 3920418), (6, 3267015), (9, 2178010), (10, 1960209), (15, 1306806), (18, 1089005), (30, 653403), (45, 435602), (90, 217801), (353, 55530), (617, 31770), (706, 27765), (1059, 18510), (1234, 15885), (1765, 11106), (1851, 10590), (2118, 9255), (3085, 6354), (3177, 6170), (3530, 5553), (3702, 5295)]