18001683

素因数分解:

$3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 32497920

約数和(自身を除く): 14496237

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 243, 399, 513, 557, 567, 1197, 1539, 1671, 1701, 3591, 3899, 4617, 5013, 10583, 10773, 11697, 15039, 31749, 32319, 35091, 45117, 74081, 95247, 105273, 135351, 222243, 285741, 315819, 666729, 857223, 947457, 2000187, 2571669, 6000561, 18001683]

約数ペア:

[(1, 18001683), (3, 6000561), (7, 2571669), (9, 2000187), (19, 947457), (21, 857223), (27, 666729), (57, 315819), (63, 285741), (81, 222243), (133, 135351), (171, 105273), (189, 95247), (243, 74081), (399, 45117), (513, 35091), (557, 32319), (567, 31749), (1197, 15039), (1539, 11697), (1671, 10773), (1701, 10583), (3591, 5013), (3899, 4617)]