19329180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24781}}^1$

素因数の和:24806

約数の個数: 48

約数和(自身を含む): 58287264

約数和(自身を除く): 38958084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24781, 49562, 74343, 99124, 123905, 148686, 247810, 297372, 322153, 371715, 495620, 644306, 743430, 966459, 1288612, 1486860, 1610765, 1932918, 3221530, 3865836, 4832295, 6443060, 9664590, 19329180]

約数ペア:

[(1, 19329180), (2, 9664590), (3, 6443060), (4, 4832295), (5, 3865836), (6, 3221530), (10, 1932918), (12, 1610765), (13, 1486860), (15, 1288612), (20, 966459), (26, 743430), (30, 644306), (39, 495620), (52, 371715), (60, 322153), (65, 297372), (78, 247810), (130, 148686), (156, 123905), (195, 99124), (260, 74343), (390, 49562), (780, 24781)]