19280288

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{1669}}^1$

素因数の和:1717

約数の個数: 36

約数和(自身を含む): 40085010

約数和(自身を除く): 20804722

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 361, 608, 722, 1444, 1669, 2888, 3338, 5776, 6676, 11552, 13352, 26704, 31711, 53408, 63422, 126844, 253688, 507376, 602509, 1014752, 1205018, 2410036, 4820072, 9640144, 19280288]

約数ペア:

[(1, 19280288), (2, 9640144), (4, 4820072), (8, 2410036), (16, 1205018), (19, 1014752), (32, 602509), (38, 507376), (76, 253688), (152, 126844), (304, 63422), (361, 53408), (608, 31711), (722, 26704), (1444, 13352), (1669, 11552), (2888, 6676), (3338, 5776)]