19847490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50891}}^1$

素因数の和:50914

約数の個数: 32

約数和(自身を含む): 51299136

約数和(自身を除く): 31451646

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 50891, 101782, 152673, 254455, 305346, 508910, 661583, 763365, 1323166, 1526730, 1984749, 3307915, 3969498, 6615830, 9923745, 19847490]

約数ペア:

[(1, 19847490), (2, 9923745), (3, 6615830), (5, 3969498), (6, 3307915), (10, 1984749), (13, 1526730), (15, 1323166), (26, 763365), (30, 661583), (39, 508910), (65, 305346), (78, 254455), (130, 152673), (195, 101782), (390, 50891)]