18042972

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 43760640

約数和(自身を除く): 25717668

約数列:

[1, 2, 3, 4, 6, 12, 43, 73, 86, 129, 146, 172, 219, 258, 292, 438, 479, 516, 876, 958, 1437, 1916, 2874, 3139, 5748, 6278, 9417, 12556, 18834, 20597, 34967, 37668, 41194, 61791, 69934, 82388, 104901, 123582, 139868, 209802, 247164, 419604, 1503581, 3007162, 4510743, 6014324, 9021486, 18042972]

約数ペア:

[(1, 18042972), (2, 9021486), (3, 6014324), (4, 4510743), (6, 3007162), (12, 1503581), (43, 419604), (73, 247164), (86, 209802), (129, 139868), (146, 123582), (172, 104901), (219, 82388), (258, 69934), (292, 61791), (438, 41194), (479, 37668), (516, 34967), (876, 20597), (958, 18834), (1437, 12556), (1916, 9417), (2874, 6278), (3139, 5748)]