17986460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 40122432

約数和(自身を除く): 22135972

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 460, 610, 641, 1220, 1282, 1403, 2564, 2806, 3205, 5612, 6410, 7015, 12820, 14030, 14743, 28060, 29486, 39101, 58972, 73715, 78202, 147430, 156404, 195505, 294860, 391010, 782020, 899323, 1798646, 3597292, 4496615, 8993230, 17986460]

約数ペア:

[(1, 17986460), (2, 8993230), (4, 4496615), (5, 3597292), (10, 1798646), (20, 899323), (23, 782020), (46, 391010), (61, 294860), (92, 195505), (115, 156404), (122, 147430), (230, 78202), (244, 73715), (305, 58972), (460, 39101), (610, 29486), (641, 28060), (1220, 14743), (1282, 14030), (1403, 12820), (2564, 7015), (2806, 6410), (3205, 5612)]