19673060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{401}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 45384192

約数和(自身を除く): 25711132

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 223, 401, 446, 802, 892, 1115, 1604, 2005, 2230, 2453, 4010, 4411, 4460, 4906, 8020, 8822, 9812, 12265, 17644, 22055, 24530, 44110, 49060, 88220, 89423, 178846, 357692, 447115, 894230, 983653, 1788460, 1967306, 3934612, 4918265, 9836530, 19673060]

約数ペア:

[(1, 19673060), (2, 9836530), (4, 4918265), (5, 3934612), (10, 1967306), (11, 1788460), (20, 983653), (22, 894230), (44, 447115), (55, 357692), (110, 178846), (220, 89423), (223, 88220), (401, 49060), (446, 44110), (802, 24530), (892, 22055), (1115, 17644), (1604, 12265), (2005, 9812), (2230, 8822), (2453, 8020), (4010, 4906), (4411, 4460)]