19139900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{14723}}^1$

素因数の和:14750

約数の個数: 36

約数和(自身を含む): 44731512

約数和(自身を除く): 25591612

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 14723, 29446, 58892, 73615, 147230, 191399, 294460, 368075, 382798, 736150, 765596, 956995, 1472300, 1913990, 3827980, 4784975, 9569950, 19139900]

約数ペア:

[(1, 19139900), (2, 9569950), (4, 4784975), (5, 3827980), (10, 1913990), (13, 1472300), (20, 956995), (25, 765596), (26, 736150), (50, 382798), (52, 368075), (65, 294460), (100, 191399), (130, 147230), (260, 73615), (325, 58892), (650, 29446), (1300, 14723)]