19878384

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{9631}}^1$

素因数の和:9685

約数の個数: 40

約数和(自身を含む): 52552192

約数和(自身を除く): 32673808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 9631, 19262, 28893, 38524, 57786, 77048, 115572, 154096, 231144, 414133, 462288, 828266, 1242399, 1656532, 2484798, 3313064, 4969596, 6626128, 9939192, 19878384]

約数ペア:

[(1, 19878384), (2, 9939192), (3, 6626128), (4, 4969596), (6, 3313064), (8, 2484798), (12, 1656532), (16, 1242399), (24, 828266), (43, 462288), (48, 414133), (86, 231144), (129, 154096), (172, 115572), (258, 77048), (344, 57786), (516, 38524), (688, 28893), (1032, 19262), (2064, 9631)]