19842564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4457}}^1$

素因数の和:4524

約数の個数: 48

約数和(自身を含む): 53923968

約数和(自身を除く): 34081404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4452, 4457, 8914, 13371, 17828, 26742, 31199, 53484, 62398, 93597, 124796, 187194, 236221, 374388, 472442, 708663, 944884, 1417326, 1653547, 2834652, 3307094, 4960641, 6614188, 9921282, 19842564]

約数ペア:

[(1, 19842564), (2, 9921282), (3, 6614188), (4, 4960641), (6, 3307094), (7, 2834652), (12, 1653547), (14, 1417326), (21, 944884), (28, 708663), (42, 472442), (53, 374388), (84, 236221), (106, 187194), (159, 124796), (212, 93597), (318, 62398), (371, 53484), (636, 31199), (742, 26742), (1113, 17828), (1484, 13371), (2226, 8914), (4452, 4457)]