18029556

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 49169120

約数和(自身を除く): 31139564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 43, 57, 76, 86, 114, 129, 171, 172, 228, 258, 342, 387, 516, 613, 684, 774, 817, 1226, 1548, 1634, 1839, 2451, 2452, 3268, 3678, 4902, 5517, 7353, 7356, 9804, 11034, 11647, 14706, 22068, 23294, 26359, 29412, 34941, 46588, 52718, 69882, 79077, 104823, 105436, 139764, 158154, 209646, 237231, 316308, 419292, 474462, 500821, 948924, 1001642, 1502463, 2003284, 3004926, 4507389, 6009852, 9014778, 18029556]

約数ペア:

[(1, 18029556), (2, 9014778), (3, 6009852), (4, 4507389), (6, 3004926), (9, 2003284), (12, 1502463), (18, 1001642), (19, 948924), (36, 500821), (38, 474462), (43, 419292), (57, 316308), (76, 237231), (86, 209646), (114, 158154), (129, 139764), (171, 105436), (172, 104823), (228, 79077), (258, 69882), (342, 52718), (387, 46588), (516, 34941), (613, 29412), (684, 26359), (774, 23294), (817, 22068), (1226, 14706), (1548, 11647), (1634, 11034), (1839, 9804), (2451, 7356), (2452, 7353), (3268, 5517), (3678, 4902)]