19455354

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 44772000

約数和(自身を除く): 25316646

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 163, 171, 326, 342, 349, 489, 698, 978, 1047, 1467, 2094, 2934, 3097, 3141, 6194, 6282, 6631, 9291, 13262, 18582, 19893, 27873, 39786, 55746, 56887, 59679, 113774, 119358, 170661, 341322, 511983, 1023966, 1080853, 2161706, 3242559, 6485118, 9727677, 19455354]

約数ペア:

[(1, 19455354), (2, 9727677), (3, 6485118), (6, 3242559), (9, 2161706), (18, 1080853), (19, 1023966), (38, 511983), (57, 341322), (114, 170661), (163, 119358), (171, 113774), (326, 59679), (342, 56887), (349, 55746), (489, 39786), (698, 27873), (978, 19893), (1047, 18582), (1467, 13262), (2094, 9291), (2934, 6631), (3097, 6282), (3141, 6194)]