18190810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2711}}^1$

素因数の和:2790

約数の個数: 32

約数和(自身を含む): 36319104

約数和(自身を除く): 18128294

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 2711, 3355, 5422, 6710, 13555, 27110, 29821, 59642, 149105, 165371, 298210, 330742, 826855, 1653710, 1819081, 3638162, 9095405, 18190810]

約数ペア:

[(1, 18190810), (2, 9095405), (5, 3638162), (10, 1819081), (11, 1653710), (22, 826855), (55, 330742), (61, 298210), (110, 165371), (122, 149105), (305, 59642), (610, 29821), (671, 27110), (1342, 13555), (2711, 6710), (3355, 5422)]