19172349

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{281}}^1$

素因数の和:335

約数の個数: 48

約数和(自身を含む): 34381440

約数和(自身を除く): 15209091

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 281, 361, 399, 513, 843, 1083, 1197, 1967, 2527, 2529, 3249, 3591, 5339, 5901, 7581, 7587, 9747, 16017, 17703, 22743, 37373, 48051, 53109, 68229, 101441, 112119, 144153, 304323, 336357, 710087, 912969, 1009071, 2130261, 2738907, 6390783, 19172349]

約数ペア:

[(1, 19172349), (3, 6390783), (7, 2738907), (9, 2130261), (19, 1009071), (21, 912969), (27, 710087), (57, 336357), (63, 304323), (133, 144153), (171, 112119), (189, 101441), (281, 68229), (361, 53109), (399, 48051), (513, 37373), (843, 22743), (1083, 17703), (1197, 16017), (1967, 9747), (2527, 7587), (2529, 7581), (3249, 5901), (3591, 5339)]